1. Scores on the belief in UFO's test are normally distributed with m = 40 with a standard deviation of 3. Higher scores indicate greater belief in UFO's. A sample of 24 people is forced to watch every episode of the X-Files TV show and then completes the test. The sample has a mean score of 46. Does watching the X-Files increase people's belief in UFO's? Use a = .01.

1a.The hypothesis test should be...(highlight one) (1 point)

a)one-tailed (directional)b) two-tailed (non-directional)

1b. According to your answers above, conduct the hypothesis test.

Step 1:

State your hypotheses in symbols.(Be sure to label H0and H1.)(2 points)

State your hypotheses in words. (Be sure to label H0and H1.)(2 points)

Step 2: Set up the criteria for making a decision. (2 points)

Step 3: Compute the appropriate test-statistic. (4 points)

Step 4: Evaluate the null hypothesis (according to your answers above).(1 point)

According to your answers above, what is your conclusion? Does watching the X-Files increase belief in UFO's?(1 point)

a) Yes

b) No

1c.Based on your answer above, what type of error might you have made in your decision in Step 4?(1 point)