A sample of size 38 will be drawn from a population with mean 48 and standard deviation 10. Use the TI-84 Plus calculator. (a) Is it appropriate to use the normal distribution to find probabilities for x? (b) Find the probability that r will be between 49 and S0, Round the answer to at least four decimal places. (c) Find the 42 percentile of x. Round the answer to at least two decimal places. O It is appropriate to use the normal distribution to find probabilities for x. The probability that x will be between 49 and 50 is The 42nd percentile of x is O It is not appropriate to use the normal distribution to find probabilities for x.

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