Question

An advertising research study indicates that 40% of the viewers exposed to an advertisement try the product during the following four months. If 100 people are exposed to the ad, what is the probability that at least 20 of them will try the product in the following four months?
Use a normal distribution to compute the required probabilities also state the assumptions necessary for a binomial distribution, and indicate whether the assumptions are reasonable.


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  • CreatedJune 03, 2015
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