Mathematics, 04.05.2021 03:10 kenzie5889
The average time it takes an adults to complete a certain achievement test
is 43.2 minutes, the standard deviation is 6 minutes. Use
the normalcdf feature on the calculator to find the probability that if 50
randomly selected adults take the test, the average completion time will be
less than 43 minutes. Give your answer as a percent rounded to two
decimal places (to the nearest hundredth).
30.68%
40.68%
35.68%
42.68%
Answers: 3
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The average time it takes an adults to complete a certain achievement test
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