1) The following random sample from a population whose values were normally distributed was collected. 10 15 11 12 The 90% confidence interval for is...

1) The following random sample from a population whose values were normally distributed was collected.

10

15

11

12

           The 90% confidence interval for μ is

11.00 to 13.00

10.23 to 13.77

9.46 to 14.54

8.56 to 15.44

2) n = 36

H0:  20

 = 22

Ha:  > 20

 = 6

           If the test is done at a .05 level of significance, the null hypothesis should

not be rejected

be rejected

Not enough information is given to answer this question.

None of the other answers are correct.