Question - Waking versus bedtime symptoms. As part of the study on ongoing fright symptoms due to exposure to horror films at a young age, the following table was presented to describe the lasting impact these movies have had during bedtime and waking life:
|
Bedtime symptoms
|
Waking symptoms
|
|
Yes
|
No
|
|
Yes
|
36
|
33
|
|
No
|
33
|
17
|
(a) What percent of the students have lasting waking-life symptoms?
(b) What percent of the students have both waking-life and bedtime symptoms?
(c) Test whether there is an association between waking-life and bedtime symptoms. State the null and alternative hypotheses, the X2statistic, and the P-value.