Which of the following statements concerning the binomial di

自难忘22022-10-04 11:39:541条回答

Which of the following statements concerning the binomial distribution are FALSE?
A.The sample size is not fixed and may be infinite.
B.The binomial distribution can be skewed or symmetric.
C.Each observation is classified into one of two mutually exclusive and collectively exhaustive categories.
D.The binomial distribution will be right skewed for p>0.5.
E.Each observation for the binomial distribution can be obtained through randomly selecting observations from a finite population without replacement.
F.The probability of an observation being classified as a success must be constant over all observations.
G.The outcomes from observations must be independent of each other.
Star Wars Computers Inc buys 49% of all computer chips from Alpha Company and the rest from Beta Company.It is known that 5.1% of all the computer chips from Alpha are defective,and 11.8% are defective from Beta.A computer chip is selected at random.What is the probability that the chip is defective?(as a decimal to 3 dec pl)

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脑东东 共回答了18个问题 | 采纳率88.9%
2、
49%*5.1%+51%*11.8%=
结果自己算算吧
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3、有一条河流过城市.(run through)
There's a river running through the city.
4、在市中心涌现出许多高楼大厦.(spring up)
Many tall buildings spring up at the centre of the city.
5、他们还在这条主要街道的两旁建了许多商店和超级市场.(put up)
They even put up many shops and supermarkets along the two sides of this main street.
6、从我来到这里以后,这座城市发生了巨大的变化.(take place)
Great changes have taken places since I came here.
7、这里的人民已摆脱了贫穷,并且过上了幸福而舒适的生活.(get rid of)
People here have already got rid of poverty,living a happy and comfortable life.
sat语法~In the years (A)following) the Second World war,as mil
sat语法~
In the years (A)following) the Second World war,as millions of soldiers retuened to civilian life,(b)the demand for) housing (c)(will cause) a massive (d)expansion of) suburbs.知道为什么选c 但是为什么a没有错?in + 一段时间不是标志着一般过去时吗?为什么a要用following?
bjerototd1年前2
13zhuo 共回答了16个问题 | 采纳率93.8%
In the years following the Second World war(时间状语),as millions of soldiers retuened to civilian life(时间状语从句),the demand for housing (主语)will cause(谓语) a massive expansion of suburbs(宾语)
A处的 following the Second World war是现在分词作后置定语,修饰years.所以翻译成“在二战后的几年里”.这里语法和用法都是没有错的.
如果这个时间状语还不能定下时间的话,看从句中的动词returned就知道事件发生的时间是过去.主句中讲的是过去的将来,所以要用would而不是will.
n terms of onomatopoeic words,which of the following stateme
n terms of onomatopoeic words,which of the following statements can be regarded as the truth?(
A.English onomatopoeic words can be used as verbs,adjectives,adverbs,nouns and modifiers.
B.In fact they are used most frequently as nouns and verbs,the two most forceful word classes.
C.Onomatopoeic words are large in number in English and they are very active.
D.The grammatical functions they can serve include the subject,the predicate,the object,the attribute and the adverbial.
快乐茹茹1年前1
清音阁里 共回答了30个问题 | 采纳率86.7%
B 吧
For which of the following 2-digit numbers is three times th
For which of the following 2-digit numbers is three times the difference of the digits divisible by
A) 41 B) 62 C) 63 D)72 E) 74
xionglinli1年前3
水雾江南路 共回答了27个问题 | 采纳率88.9%
下面的两位数中,哪一个数的两位的差的3倍可以被6整除?
选B
6-2=4;
4×3=12;
12可以被6整除;
单词:2-digit numbers 两位数
the difference of 两个数的差
three times 3倍
divisible by 6 可以被6整除的(可能是修饰three times the difference of the digits的结果,叫不准)
新GRE argument 新G题库中argument第二题2.The following appeared as pa
新GRE argument
新G题库中argument第二题
2.The following appeared as part of a letter to the editor of a scientific journal.
"A recent study of eighteen rhesus monkeys provides clues as to the effects of birth order on an individual's levels of stimulation.The study showed that in stimulating situations (such as an encounter with an unfamiliar monkey),firstborn infant monkeys produce up to twice as much of the hormone cortisol,which primes the body for increased activity levels,as do their younger siblings.Firstborn humans also produce relatively high levels of cortisol in stimulating situations (such as the return of a parent after an absence).The study also found that during pregnancy,first-time mother monkeys had higher levels of cortisol than did those who had had several offspring."
Write a response in which you discuss one or more alternative explanations that could rival the proposed explanation and explain how your explanation(s) can plausibly account for the facts presented in the argument.
请问如何破题?求各路高手相助~
滚xx猪1年前4
zyabmw 共回答了17个问题 | 采纳率94.1%
结论是:the effects of birth order on an individual's levels of stimulation
1、样本数量太少
2、firstborn infant monkeys produce up to twice as much of the hormone cortisol,which primes the body for increased activity levels,as do their younger siblings.可能是因为第一胎的猴子年龄比较大.
3、人类不一定和猴子一样(这里我也比较迷惑.不知道是事实还是结论)
4、The study also found that during pregnancy,first-time mother monkeys had higher levels of cortisol than did those who had had several offspring.不能证明结论,也不能说明此一次怀孕的母猴与小猴的激素水平的关系
自己的看法.我对这道题也很迷惑啊.
就剩几个了 48.Identify the errors in the following sentences :The
就剩几个了
48.Identify the errors in the following sentences :The dean of our department has already arranged newcomers to attend classes of other teachers.[ 1分]
A.of B.has already C.arranged newcomers D.attend
* 49.Identify the errors in the following sentences :Unless we polish metals frequently,they rust or tarnish when exposure to air.[ 1分]
A.Unless B.frequently C.rust or tranish D.when exposure
* 50.Identify the errors in the following sentences :All what is needed is a continuous supply of fuel oil.[ 1分]
A.what B.is C.continuous D.of
* 51.It is nearly two years since the students ______ to prepare for the College English Test.[ 1分]
A.begin B.have begun C.began D.will begin
yy135791年前3
暗夜虫虫 共回答了23个问题 | 采纳率82.6%
B
D
A
C
Section BDirections:Complete the following passage by using

Section B
Directions:Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
distribute B. stresses C. unloading D. contents E. undoubtedly
F. strain G. purchases H. vitally I. frequent J. adventurous
  The Centers for Disease Control and Prevention says that over 50,000 people every year sustain some sort of winter-related back injury, and 5,800 of those are holiday decorating-related. These aches and pains can __41__ bring trouble to people’s life. It is said that people’s back could sustain all sorts of strain from carrying heavy __42__ , and from the increased stress of lugging suitcases, decorations and gifts. Dr. Alanna Levine spoke to Debbye Turner Bell on “The Early Show” about how to protect the back for the holiday season.
  The first tip Dr. Levine gave was about carrying heavy shopping bags. Smaller bags, she said, are better. “You don’t want to load everything up into one bag and lug it around,” Dr. Levine explained. “You want to __43__ the weight on your body.” She also recommended putting heavier items towards the bottom in those bags and lighter items on top. Also, if you can, make __44__ trips to the car to drop off purchases.
  Travel can be another pain in the back — from carrying heavy luggage. Again, Dr. Levine __45__ not to pack everything into one bag. Even though it may cost more, she said that packing two smaller bags is safer than packing one heavy one. Also, choose a light-weight bag, so that the only weight you’re carrying is the __46__ inside the suitcase.
  When __47__ bags from an airport carousel, Dr. Levine suggests standing close to the carousel and bending your knees to lift it up. “You want to avoid that reach-and-lift. It puts a lot of __48__ on your lower back,” she said.
  When it comes to holiday decorating, people can get __49__. Dr. Levine suggests decorating in pairs, so one person can hand the lights and ornaments to the other person to hang, as to avoid reaching or twisting to get what you need.
玩家11年前1
冰峰尘埃 共回答了7个问题 | 采纳率100%
41---49 EGAIB DCFJ

Define the following terms with illustrative examples 的汉语意思是
Define the following terms with illustrative examples 的汉语意思是什么
云幽梦轩1年前3
流溪河边 共回答了23个问题 | 采纳率91.3%
用示例解释下面的问题
Define 是解释的意思
terms 这个儿是 ……方便的意思
illustrative example 是示例的意思 一般是图片图表或者证明文书这样的东西!
rewrite the passage by following the example sentence
大-坏-人1年前3
一花看世界 共回答了15个问题 | 采纳率86.7%
按照下列例句复数短文
如果帮到你,请记得采纳,O(∩_∩)O谢谢
which of the following is the most probable place people nam
which of the following is the most probable place people name after friendly people?
翻译
h12w291年前2
rogers006 共回答了17个问题 | 采纳率100%
most probable最可能的
name after以…命名
下列哪些地名最有可能是用友人名字命名的?
请帮我把以下的题目完成!QAQ A.Complete the following sentences with the
请帮我把以下的题目完成!QAQ
A.Complete the following sentences with the correct words.You need to use the words from the passage.
(2) I am __ of dogs.Please don't let your dog come here.
(3) I am __ that i got 100 marks in the dictation.
(4) It is __ for me to win the race on the Sports Day.
I am really nervous about the more difficult work for this year.i didn't do very well last year,but i do want to do better this year.
In addition ,I am a Form 1 student this year ,so the school is new to me.i'm afraid i'm not at the same level as my classmates.i am so glad that Michelle and i are in the same class.
Our class teacher is Ms.Ho and she seems to be a very nice teacher.She talked to us patiently about the school ,and the things we will do in the next two months.She will also be our Chinese teacher.
I hope i do well this year,and i want to make as many new friends as possible.Janet ,how was your first day at school?Posted by Sasha:Sep 1 9:45 pm.这是2)(3)(4)题的文章
1) Christmas is one of my favourite___.
2) I told my mother not tobuy me any clothes.i love __on my own.
3) "You lovely present really gives me a big ___.Thank you very much!" said Joe.
4) There are a lot of people in Shatin Station.it is ver __.
This Sunday ,my family will have a big dinner together to celebrate Mid-Autumn Festival.We always go to my aunt's house for Mid-Autumn Festival because the restaurants are very busy.Everyone is out celebrating at the same time!
Mid-Autumn Festival is one of my favourite holidays of the year.Although i don't get surprise presents like on my birthday or at Christmas,i get a beautiful lantern every year.i love choosing my lantern and then playing with it in the park with my cousins.i think it is funny when i see people with Pokemon or Hello Kitty lanterns .i still like the animals lanterns the best.
I may also go out with some of my classmates this year.i have not gone to Victoria Park with my friends at Mid-Autumn Festival before.it should be fun!
Posted by Sara :Sept 8 11:45 pm
这是(1)(2)(3)(4) 的文章
岚昕1年前1
娃哈哈qe345 共回答了18个问题 | 采纳率100%
A.(2).afraid (3).glad (4).difficult
(1).festival (2)choosing.(3).surprise (*4).busy
做下 英语口语的作文简答题啊 Give answers to the following questions.Your
做下 英语口语的作文简答题啊
Give answers to the following questions.Your grades will depend on your statements so try to organize your thoughts or ideas to the point but be brief at the same time.
Suppose your friend invites you to attend his/her birthday this Sunday,but you cannot make it.How would you decline this invitation politely?Say something that you are gonna to do on Sunday
100多字吧
lawyer85181年前3
小猪i 共回答了18个问题 | 采纳率100%
i really appreciate ur invitation but i'm sorry that i'll make a short trip with my mum cause i promised her long time ago.
晕,简单题还要一百多字,写作文呢.
跟起始扭矩有关的.原题:Which of the following motors usually produces t
跟起始扭矩有关的.
原题:Which of the following motors usually produces the largest starting torque?
大概意思就是:下面那个发动机能产生最大的起始扭矩.
选项:
series-wound 串联的
permanent-magnet 永久磁铁
shunt-wound 并联的
compound 混合的
冬天可乐1年前1
心语love 共回答了21个问题 | 采纳率90.5%
对于直流电机来说,串励的启动转矩最大.其次应该是永磁,然后是复励,最后是并励.
(log)1.solve the following exponential equation (use log if
(log)
1.solve the following exponential equation (use log if necessary)
8(6^(2x+5))=7^(3x-4)
2.solve the following simultaneous equations.
log x = log (5y) -2 ------- (1)
log y - 3 log ((8x+3)^(1/3)) =0 ------- (2)
woaimi1年前3
气者 共回答了21个问题 | 采纳率85.7%
2.(2)→log y-log(8x+3)=0→y=8x+3
(1)→log x=log(40x+15)-2→log( (40x+15)/x )=2→(40x+15)/x=10^2→x=¼→y=5
Following your outer desires can help you to express your pu
Following your outer desires can help you to express your purpose,yet those desires are not your purpose itself.And so even if you fail to achieve a particular goal,the pure,authentic purpose behind the goal is still intact.
Instead of being frustrated when you experience disappointments in your outer world,you can choose to be inspired and creative.For you still have your purpose,and you have the opportunity for finding an exciting new way to express it.
军中1品1年前1
把酒oo 共回答了21个问题 | 采纳率95.2%
接着,你的外部欲望会帮助你实现你的目标,尽管那些欲望并不是你的目标本身.即使你不能实现某个特定的目标,那个纯粹的,真正的,隐藏在这个目标后的总目标也是完好无损的.
当你在外部世界经历失望的时候,你可以选择变得很受激励、富于创造力,而不是变得沮丧.因为你依然保有你的目标,而且你有机会找到更棒的新方法去实现它.
卡西欧杯 百慕大Which of the following is not a popular theory why t
卡西欧杯 百慕大
Which of the following is not a popular theory why the electronic and magnetic devices used on ships and planes cannot function properly within the Bermuda Triangle
A Waterspout B Charged Electrons in clouds
C Bad weather D Supernatural powers
哪项不是解释百慕大三角 飞机和船只的电磁设备不能正常工作的主流理论
凉砾子1年前1
saviour123 共回答了14个问题 | 采纳率85.7%
d
英语翻译Emanuel. Following 、 Jesus.帮我翻译一下
fanchao9905021年前4
iamyanyan0122 共回答了19个问题 | 采纳率94.7%
以马内利,接下来的,耶稣
Make the following comparisons clear and logical
Make the following comparisons clear and logical
The shirt fits best.
Their school is larger than our.
He is the tallest boy.
pangxie20081年前2
喜看银X5被ff 共回答了19个问题 | 采纳率89.5%
The shirt fits you best. (动词和形容词之间少了个宾语)
Their school is larger than ours. (ours代指我们的学校)
He is the tallest in his class. / He is the tallest boy of his class.
The numbers of the following traffic signs,which are axially
The numbers of the following traffic signs,which are axially symmetric,are?
我的帅宝贝路路1年前1
锦家小蛮 共回答了19个问题 | 采纳率94.7%
以下的这些交通标志是以一个轴为中心成对称性的

大家在问