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Author Question: Two of the cylinders in an eight-cylinder car are defective and need to be replaced. If two ... (Read 222 times)

Tirant22

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on: Jun 24, 2018
Two of the cylinders in an eight-cylinder car are defective and need to be replaced. If two cylinders are selected at random, what is the probability that
 a. both defective cylinders are selected?
  b. no defective cylinder is selected?
  c. at least one defective cylinder is selected?

Question 2

For a one-tailed hypothesis test (upper tail), the p-value is computed to be .034 . If the test is being conducted at the 5 level of significance, the null hypothesis
 a. could be rejected or not rejected depending on the sample size.
   b. could be rejected or not rejected depending on the sample mean.
   c. is not rejected.
   d. is rejected.


mohan

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

a. 2/56
b. 30/56
c. 26/56

Answer to Question 2

d


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