Match the symbol (1- ) with the correct definition. A) the ...

[WhattoUnderstand]

Match the symbol (1- ) with the correct definition.
 
  A) the power of a test
  B) the probability of a Type I error
  C) the probability of a Type II error
  D) the probability of failing to reject the null hypothesis when it is true

Question 2

The probability is approximately 0.05 that X is in the symmetric interval about the mean between which two numbers?
 
  What will be an ideal response?

[lkanara2]

Answer to Question 1

D

Answer to Question 2

P(a < X < b) = 0.05  P(a  48 ) / 7.8 < Z < (b  48 ) / 7.8 = 0.05
 (a  48 ) / 7.8 = -0.06 and (b  48 ) / 7.8 = 0.06
 a = 47.532 and b = 48.468

[WhattoUnderstand]

Gracias!

[marict]

TYSM