2. In a Calif. study, Dean Lester Breslow and Dr. James Enstrom of the UCLA School of Public Health concluded that by following 7 simple health rules a man's life can be extended by 11 years on the average, and a women's life by 7 years. The 7 rules are: 1. no smoking 2. regular exercise 3. use alcohol moderately 4. get 7 to 8 hours of sleep nightly 5. maintain proper weight 6. eat breakfast 7. do not eat between meals In how many ways can a person adopt exactly FIVE of these rules IF : a) the person presently violates all 7 rules?? b) the person already never drinks and always eats breakfast
2. In a Calif. study, Dean Lester Breslow and Dr. James Enstrom of the UCLA School of Public Health concluded that by following 7 simple health rules a man's life can be extended by 11 years on the average, and a women's life by 7 years. The 7 rules are: 1. no smoking 2. regular exercise 3. use alcohol moderately 4. get 7 to 8 hours of sleep nightly 5. maintain proper weight 6. eat breakfast 7. do not eat between meals In how many ways can a person adopt exactly FIVE of these rules IF : a) the person presently violates all 7 rules?? b) the person already never drinks and always eats breakfast
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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
Transcribed Image Text:2. In a Calif. study, Dean Lester Breslow and Dr. James Enstrom of the UCLA
School of Public Health concluded that
by following 7 simple health rules a man's life can be extended by 11 years on the
average, and a women's life by 7 years.
The 7 rules are:
1. no smoking
2. regular exercise
3. use alcohol moderately
4. get 7 to 8 hours of sleep nightly
5. maintain proper weight
6. eat breakfast
7. do not eat between meals
In how many ways can a person adopt exactly FIVE of these rules IF:
a) the person presently violates all 7 rules??
b) the person already never drinks and always eats breakfast ??
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