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The heights of a certain population of corn plants follow a normal distribution with mean Y = 145 cm and standard deviation Y = 22
The heights of a certain population of corn plants follow a normal distribution with mean Y = 145 cm and standard deviation Y = 22 cm A 100 cm or more B 120 cm or less C between 120 and 150 cm D between 100 and 120 E between 150 and 180 cm F find the probability that none of the four will be more than 150 cm G find the 90th percentile of the height distribution
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