Suppose that you toss a coin n times and experimentally determine that the probability of heads is 40%. How many times must you toss the coin in order to be 95% certain that the theoretical probability for heads is between 38% and 42%?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Suppose that you toss a coin n times and experimentally determine that the probability of heads is 40%. How many times must you toss the coin in order to be 95% certain that the theoretical probability for heads is between 38% and 42%?

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