The confidence coefficient is ________. A) the probability of ...

[jc611]

The confidence coefficient is ________.
 
  A) the probability of correctly failing to reject the null hypothesis
  B) the probability of making a Type II error
  C) the probability of making a Type I error
  D) the probability of correctly rejecting the null hypothesis

Question 2

Without doing the calculations, state whether a larger or smaller sample would be required to guarantee that the probability that the sample mean differs from the population mean by more than 1.8 hours
 
  is less than 0.05, when compared to the sample needed to ensure that the probability that the sample mean differs from the population mean by more than 2.1 hours is less than 0.05.

[jrpg123456]

Answer to Question 1

A

Answer to Question 2

Larger sample

[jc611]

Thank you

[jrpg123456]

No problemo