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A sample of size 42 will be drawn from a population with mean 52 and standard deviation 11 . Use the TI-84 Plus calculator. (a)

A sample of size 42 will be drawn from a population with mean 52 and standard deviation 11

. 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 x will be between 53 and 54

Round the answer to at least four decimal places. (c) Find the 46th percentile of x

. Round the answer to at least two decimal places.

Itisappropriate to use the normal distribution to find probabilities for

x

. The probability that

x

will be between

53

and

54

is

. The

46th

percentile of

x

is

.

Itis notappropriate to use the normal distribution to find probabilities for

x

.

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