Mathematics, 21.04.2020 04:35 mac7210

The average time taken to complete a test follows normal probability distribution with a mean of 70 minutes and a standard deviation of 25 minutes.
The probability of a randomly selected student completing the test in 45 minutes or less is approximately equal to %. The probability of a randomly selected student completing the test in 95 minutes is %.

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The average time taken to complete a test follows normal probability distribution with a mean of 70...