Author Question: Match the symbol (1- ) with the correct definition. A) the power of a test B) the probability of ... (Read 55 times)

WhattoUnderstand · **on:** Jun 24, 2018

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 · **Reply #1 on:** Jun 24, 2018

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