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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%

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The mean height of Grade II 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%
Transcribed Image Text:The mean height of Grade II 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%
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