The distribution of the ages of all IRSC students Is known to be normally distributed with a mean of 20.3 years in a standard deviation of 5.5 years uses this information to determine the following probabilities round solutions to four decimal places if necessary Find the probability that a random simple of 100 students has a meme age of greater than 20.8 years P( x̅>20.8) = Find the probability that a random simple of 100 students has a mean age between 20.6 and 21.2 years

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