4) In Toronto, Canada, 55% of people pass the drivers' road test. Suppose that 100 people take the test. a) What is the number of people who are expected to pass? b) What is the standard deviation for the number expected to pass? c) What is the probability that less than 50 passed?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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4) In Toronto, Canada, 55% of people pass the drivers' road test. Suppose that 100 people
take the test.
a) What is the number of people who are expected to pass?
b) What is the standard deviation for the number expected to pass?
c) What is the probability that less than 50 passed?
d) What is the probability that at least 49 passed?
e) What is the probability that at most 45 passed?
Transcribed Image Text:4) In Toronto, Canada, 55% of people pass the drivers' road test. Suppose that 100 people take the test. a) What is the number of people who are expected to pass? b) What is the standard deviation for the number expected to pass? c) What is the probability that less than 50 passed? d) What is the probability that at least 49 passed? e) What is the probability that at most 45 passed?
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