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A sample of size 60 will be drawn from a population with mean 31 and standard...

A sample of size 60 will be drawn from a population with mean 31 and standard deviation 6. Use the TI-84 calculator.

Part 1 of 2
Find the probability that x will be between 30 and 33. Round the answer to four decimal places.
The probability that x will be between 30 and 33 is ?

Part 2 of 2
Find the 75th percentile of x. Round the answer to two decimal places.
The 75th percentile is ?

Math   Statistics-And-Probability   
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