According to a study published by a group of University of Massachusetts sociologists, about 66.6% of the 20 million persons in this country who take Valium are women. Assume this figure to be a valid estimate. (a) Find the probability that on a given day the eighth prescription written by a doctor for Valium is the first prescribing Valium for a woman. (b) Find the probability that on a given day the eighth prescription written by a doctor for Valium is the fourth prescribing Valium for a woman. (a) The probability that on a given day the eighth prescription written by a doctor for Valium is the first prescribing Valium for a woman is ☐ (Round to four decimal places as needed.) (b) The probability that on a given day the eighth prescription written by a doctor for Valium is the fourth prescribing Valium for a woman is ☐ . (Round to four decimal places as needed.)
According to a study published by a group of University of Massachusetts sociologists, about 66.6% of the 20 million persons in this country who take Valium are women. Assume this figure to be a valid estimate. (a) Find the probability that on a given day the eighth prescription written by a doctor for Valium is the first prescribing Valium for a woman. (b) Find the probability that on a given day the eighth prescription written by a doctor for Valium is the fourth prescribing Valium for a woman. (a) The probability that on a given day the eighth prescription written by a doctor for Valium is the first prescribing Valium for a woman is ☐ (Round to four decimal places as needed.) (b) The probability that on a given day the eighth prescription written by a doctor for Valium is the fourth prescribing Valium for a woman is ☐ . (Round to four decimal places as needed.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:According to a study published by a group of University of Massachusetts sociologists, about 66.6% of the 20 million
persons in this country who take Valium are women. Assume this figure to be a valid estimate.
(a) Find the probability that on a given day the eighth prescription written by a doctor for Valium is the first prescribing
Valium for a woman.
(b) Find the probability that on a given day the eighth prescription written by a doctor for Valium is the fourth
prescribing Valium for a woman.
(a) The probability that on a given day the eighth prescription written by a doctor for Valium is the first prescribing
Valium for a woman is ☐
(Round to four decimal places as needed.)
(b) The probability that on a given day the eighth prescription written by a doctor for Valium is the fourth prescribing
Valium for a woman is ☐ .
(Round to four decimal places as needed.)
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