14. The following data were obtained in a study in which 1000 nurses were followed for up to 20 years to examine the hypothesis that use of a certain diet pill might increase the probability of experiencing a myocardial infarction (MI, i.e., heart attack). 500 used diet pills and 500 did not.There were 27 total MI's.

*Of 500 nurses who used diet pills, 19 experienced an MI.

*Of 500 nurses who did NOT use diet pills, 8 experienced an MI.

A. Complete the blanks in the 2x2 contingency table below.

	Myocardial infarction
Diet pill use	Yes	No	Total
Yes	19	481	500
No	8	492	500
Total	27	973	1000

4. What would the null hypothesis be, for this study?