A fair coin is tossed 400 times. Using normal approximation to the bin

Question

A fair coin is tossed 400 times. Using normal approximation to the binomial, find the
probability that a head will occur
a) More than 180 times
b) Less than 195 times.

29 Jul 2023

Answer :

Word Count : 354

To solve these problems using the normal approximation to the binomial distribution, we can use the following formula:

For a binomial distribution with parameters n (number of trials) and p (probability of success), the mean (μ) is given by μ = np, and the standard deviation (σ) is given by σ = √(np(1-p)).

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