Assist with HW

Use the following data for questions 7, 8:

638 survivors of a heart attack, were randomly assigned follow either (1) a diet close to the "prudent diet step 1" of the American Heart Association (control group) or (2) a Mediterranean-type diet consisting of more bread and cereals, more fresh fruit and vegetables, more grains, more fish, fewer delicatessen foods, less meat. (Research conducted by: Hartman et al.) See table below:

Diet	Cancers	Fatal Heart Disease	Non-Fatal Heart Disease	Healthy	Total
AHA	22	18	16	239	295
Mediterranean	12	18	12	301	343
Total	34	36	28	540	638

1. What is P(Cancer | Mediterranean Diet)?

1. What is P(Cancer | AHA Diet)?

Use the following information to answer questions 13-14:

Salty nut bar is produced at a highly automated facility.One of the quality control factors is the weight of each bar. Samples of 10 bars are taken regularly and adjustments are made based on the outcome of quality control process. Average weights and ranges of the latest samples are reported as following:

Sample	Average weight (gram)	Average Range
1	47	6
2	53	4
3	48	1
4	49	3
5	52	2

1. What is the upper control limit of
   

\f