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Consider the probability that at most 77 out of 493 cell phone calls will be disconnected....

Consider the probability that at most 77 out of 493 cell phone calls will be disconnected. Choose the best description of the area under the normal curve that would be used to approximate binomial probability.

A) Area to the right of 76.5

B) Area to the right of 77.5

C) Area to the left of 76.5

D) Area to the left of 77.5

E) Area between 76.5 and 77.5

Math   Statistics-And-Probability   
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