Question: Compute P(X) using the binomial probability formula. Then determine whether the normal distribution can be used to estimate this probability. If so, approximate P(X) using

Compute P(X) using the binomial probability formula. Then determine whether the normal distribution can be used to estimate this probability. If so, approximate P(X) using the normal distribution and compare the result with the exact probability.

n equals=62,

p equals=0.4,

and X equals= 18

I know 62/18 but cannot understand how they come up with answer of 0.0220. I keep coming up with 0.000000022

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