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An advertising reaserch study indicates that 40% of the viewer exposed to an advertisement try the product during the following four month. If 100 people are exposed to the end. a) what is the probability that at least 20 of them will try product in the following four month? b) to the answer part (a) normal approximation of binomial is justifiable or not? Justify

An advertising reaserch study indicates that 40% of the viewer exposed to an advertisement try the product during the following four month. If 100 people are exposed to the end. a) what is the probability that at least 20 of them will try product in the following four month? b) to the answer part (a) normal approximation of binomial is justifiable or not? Justify

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 15E
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An advertising reaserch study indicates that 40% of the viewer exposed to an advertisement try the product during the following four month. If 100 people are exposed to the end. a) what is the probability that at least 20 of them will try product in the following four month? b) to the answer part (a) normal approximation of binomial is justifiable or not? Justify
Transcribed Image Text:An advertising reaserch study indicates that 40% of the viewer exposed to an advertisement try the product during the following four month. If 100 people are exposed to the end. a) what is the probability that at least 20 of them will try product in the following four month? b) to the answer part (a) normal approximation of binomial is justifiable or not? Justify
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