Question
22 - 23. The probability that a person catches a cold during the flu season is 0.4. If 10 people are chosen at random; 22.
22 - 23. The probability that a person catches a cold during the flu season is 0.4. If 10 people are chosen at random;
22. What is the probability that four or more of them will catch a cold?
a. 0.50 b. 0.62 c. 0.54 d. 0.58
23. What is the standard deviation for the number of persons catching a cold?
a. 1.55 b. 0.04 c. 0.62 d. 0.43
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Calculus Early Transcendentals
Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin
9th Edition
1337613924, 978-1337613927
