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Problem

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12 Nov 2021

Given information

Given that, four friends, Janice, Barbara, Kathy, and Roberta, decided to carpool together to get to school. Each day the driver would be chosen by randomly selecting one of the four names. They carpool to school for 96 days. Use the normal approximation to the binomial to calculate the following probabilities. Round the standard deviation to four decimal places.

We have to find the probability that Roberta is the driver for more than 16 days.

Step-by-step explanation

Step 1.

The probability that Roberta is the driver for more than 16 days is given by,

has normal approximation

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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