A webpage is visitied by men on average twice a minute, and by women on average once every 2 minutes. About half the men and 25% of the women make a purchase. (a) What is the probability of exactly 4 sales in a given 5-minute period? (b) For a given sale, what is the probability it is done my a man? (You can argue intuitively rather than make formal computations.)
A webpage is visitied by men on average twice a minute, and by women on average once every 2 minutes. About half the men and 25% of the women make a purchase. (a) What is the probability of exactly 4 sales in a given 5-minute period? (b) For a given sale, what is the probability it is done my a man? (You can argue intuitively rather than make formal computations.)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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