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Author Question: Suppose a sample of n = 50 items is selected from a population of manufactured products and the ... (Read 81 times)

yoooooman

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Suppose a sample of n = 50 items is selected from a population of manufactured products and the weight, X, of each item is recorded. Prior experience has shown that the weight has a probability distribution with = 6 ounces and  = 2.5 ounces. Which of the following is true about the sampling distribution of the sample mean if a sample size of 15 is selected?
 
  A) The shape of the sampling distribution is approximately normal.
  B) The standard deviation of the sampling distribution is 2.5 ounces.
  C) The mean of the sampling distribution is 6 ounces.
  D) All of the above are correct.

Question 2

Suppose that a judge's decisions follow a binomial distribution and that his verdict is incorrect 10 of the time. In his next 10 decisions, the probability that he makes fewer than 2 incorrect verdicts is 0.736.
 
  Indicate whether the statement is true or false



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joewallace

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Answer to Question 1

C

Answer to Question 2

TRUE




yoooooman

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Reply 2 on: Jun 24, 2018
Excellent


ryansturges

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Reply 3 on: Yesterday
:D TYSM

 

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