10.2

7.

  1. 2.31
  2. .0104
  3. Reject hypothesis

9.

  1. -.74
  2. .2296
  3. don’t reject null hypothesis

11.

  1. -1.49
  2. .1362
  3. don’t reject null hypothesis

13.

27/100 samples will give a sample proporation greater than or equal to if the populatin proportion was .5 therefore we do not reject the null hypothesis 15.

  1. .472

Ho: p= .5

H1: p<.5

  1. it is reasonable to assume that the sample is random

  2. Skip

  3. .0735

  4. If P-value is .0735, null hypothesis is true and we would expect this in 7/100 samples

  5. do not reject the null hypothesis

17.

  1. (.65, 2.33)

  2. We don’t reject the null hypothesis

19.

  1. p value =.0036
  2. Reject the null hypothesis