A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Estimation
A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.
Question
9. The heights of boys at a particular age follow a normal distribution with mean 150.3cm and variance 25 cm. Find the probability that a boy picked at random from this age group has height a) Less than 153 cm More than 158 cm b) Between 150cm and 158 cm c) d) More than 10 cm difference from the mean height
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Transcribed Image Text:9. The heights of boys at a particular age follow a normal distribution with mean 150.3cm and variance 25 cm. Find the probability that a boy picked at random from this age group has height a) Less than 153 cm More than 158 cm b) Between 150cm and 158 cm c) d) More than 10 cm difference from the mean height
B. Determine the probability or area for the portions of the normal distribution described. P(0 <Z<0.91) b) a) P(-1.01 < Z < 0) c) P(-1.2 <Z < 1.61)
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Transcribed Image Text:B. Determine the probability or area for the portions of the normal distribution described. P(0 <Z<0.91) b) a) P(-1.01 < Z < 0) c) P(-1.2 <Z < 1.61)
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