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Author Question: The difference between the value of the sample statistic and the value of the corresponding ... (Read 107 times)

JGIBBSON

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on: Jun 24, 2018
The difference between the value of the sample statistic and the value of the corresponding population parameter is called the _____.
 a. statistical error
  b. standard error
  c. proportion error
  d. sampling error

Question 2

Two percent of the parts produced by a machine are defective. Forty parts are selected. Define the random variable x to be the number of defective parts.
 a. What is the probability that exactly 3 parts will be defective?
  b. What is the probability that the number of defective parts will be more than 2 but fewer than 6?
  c. What is the probability that fewer than 4 parts will be defective?
  d. What is the expected number of defective parts?
  e. What is the variance for the number of defective parts?


kxciann

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Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

a. .0374
b. .0455
c. .9918
d. .8
e. .784


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JGIBBSON

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Reply #2 on: Jun 24, 2018
Correct answers!


kxciann

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Reply #3 on: Jun 24, 2018
Great! Please up vote :D


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