1. Find the critical value of the confidence level of 95%, critical value, Za/2 =

Group of answer choices

1.645

1.96

2.575

2. Find the sample mean of the weights of all Men. Using n= 40, x= st dev= 26Ib.

Use a confidence level of 95%

Group of answer choices

8.0574835

9.5875423

7.4435678

3. Two-Tailed Test

0.025

z= -1.96 z=0 z=1.96

True or False

Group of answer choices

False

True

4.Left-Tailed Test

0.05

z=-1645 z=0

True or False

Group of answer choices

True

False

5. Right-Tailed Test

0.05

z= -1645 z=0

Group of answer choices

False

True