Find the 80th percentile of the distribution of the average of 49 fly balls.

Question

Mathematics

Demarcus

28 January, 15:58

Find the 80th percentile of the distribution of the average of 49 fly balls.

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Ben Brown · Answer 1

Here we need to find 80th percentile for average of 49 fly balls

i. e. P (Z
i. e. 0.5+P (0
P (0
Using standard normal table we get z=0.8415

Now z=xbar-mean/se=0.8415

So xbar=0.8415*7.14+250=256.00831

Hence 80th percentile is 256