The mean height of Grade III pupils is 138 cm with a standard deviation of 8 cm. If a sample of 30 pupils is taken, find the probability that the mean height of a pupil is at least 140 cm. A 8.53% B 40.13% 93.04% 59.87%
The mean height of Grade III pupils is 138 cm with a standard deviation of 8 cm. If a sample of 30 pupils is taken, find the probability that the mean height of a pupil is at least 140 cm. A 8.53% B 40.13% 93.04% 59.87%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 23PFA
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