A study concluded that following 7 simple health rules can extend a man's life by 11 years on the average and a woman's life by 7 years. These 7 rules are as follows: no smoking, get regular exercise, use alcohol only in moderation, get 7 to 8 hours of sleep, maintain proper weight, eat breakfast, and do not eat between meals. In how many ways can a person adopt 5 of these rules to follow (a) if the person presently violates 3 of the 7 rules? (b) if the person never drinks and always exercises daily? (a) There are ways. (b) There are ways.
A study concluded that following 7 simple health rules can extend a man's life by 11 years on the average and a woman's life by 7 years. These 7 rules are as follows: no smoking, get regular exercise, use alcohol only in moderation, get 7 to 8 hours of sleep, maintain proper weight, eat breakfast, and do not eat between meals. In how many ways can a person adopt 5 of these rules to follow (a) if the person presently violates 3 of the 7 rules? (b) if the person never drinks and always exercises daily? (a) There are ways. (b) There are ways.
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 21PT: How many distinct ways can the word EVANESCENCE be arranged if the anagram must end with the letter...
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