Mathematics

1 June, 16:15

HEP BEING TIMED!

The length of pregnancies in giraffes is normally distributed with a mean length of 430 days and a standard deviation of 9 days. If a random sample of 25 giraffes is taken, what is the probability the sample mean length will be between 429 days and 432 days?

Give your answer to four decimal places

+5

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