(Answered) The length of time needed to complete certain test is

Statistics

The length of time needed to complete certain test is normally distributed with mean 74 minutes and standard deviation 17 minutes. Find the probability that it will take more than 70 minutes to complete the test.

0.7035

b) 0.5000

c) 0.4070

d) 0.5930

e) 0.2965

f) None of the above

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