10.2

7.

  1. 2.31
  2. 0.0104
  3. Reject null hypothesis because p-value is less than level of significance.

9.

  1. -.74
  2. .2296
  3. Don’t reject null hypothesis because because p-value is greater than level of significance.

11.

  1. -1.49
  2. .1362
  3. Don’t reject null hypothesis because because p-value is greater than level of significance.

13.

The researcher wouldn’t reject the null hypothesis with a p-value of .2743, there isn’t sufficient evidence to conclude that the dart-picking strategy resulted in a majority of winners.

15.

  1. .472

Ho: p=.5

H1: p<.5

  1. 169.5>10

  2. Skip

  3. P-value=.0735

  4. If null hypothesis is true, the result is expected 7 or 8 out of 100 samples

  5. Don’t reject null hypothesis because .0735 is greater than .05.

17.

  1. P-value=0.2578
  2. Do not reject null hypothesis, because .2578>.01, so there isn’t enough evidence to prove that more than 1.9% of liptor users experience flulike symptoms as a side effect.

19.

  1. P-value=.0036

  2. Reject null hypothesis because .0036<.05, theres sufficient evidence to show that Hawaii has a higher proportion of traffic fatalities involving a positive BAC than the US.