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Asap A sample of size 21 will be drawn from a population with mean 139 and standard deviation 30. (a) Is it appropriate to use

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A sample of size 21 will be drawn from a population with mean 139 and standard deviation 30. (a) Is it appropriate to use the normal distribution to find probabilities for x? (b) If appropriate find the probability that x will be less than 122. (c) If appropriate find the 80 percentile of x. It is appropriate to use the normal distribution to find probabilities for x. X The probability that x will be less than 122 is The 80 percentile of x is It is not appropriate to use the normal distribution to find probabilities for x

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