Define a random variable for a quantity of interest by assigning a numerical value to each event in a sample space; graph the corresponding probability distribution using the same graphical displays as for data distributions.
Example Problems
A set of resale prices for Taylor Swift concert tickets is normally distributed with a mean of and a standard deviation of .
What proportion of ticket prices is between and ?
Round your answer to four decimal places.
What proportion of ticket prices is between and ?
Round your answer to four decimal places.
A set of Blooket quiz scores in a math class is normally distributed with a mean of points and a standard deviation of points.
What proportion of quiz scores is between points and points?
Round your answer to four decimal places.
What proportion of quiz scores is between points and points?
Round your answer to four decimal places.
A set of pickleball rally lengths in club matches is normally distributed with a mean of shots and a standard deviation of shots.
What proportion of rally lengths is between shots and shots?
Round your answer to four decimal places.
What proportion of rally lengths is between shots and shots?
Round your answer to four decimal places.
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