Mathematics, 29.05.2020 00:02 katelynbychurch

Completion times for a reading test are normally distributed with
a mean time of 73,4 minutes and a standard deviation of 7.4
minutes.
Approximately what percent of the completion times is
between 73.4 and 88.2 minutes?
a.
b.
Ans 2a
Approximately what percent of the completion times is at
most 58.6 minutes?
Ans 2b

Answers: 2

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Completion times for a reading test are normally distributed with
a mean time of 73,4 minutes...