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The next three questions refer to the following information: Richard’s Furniture Company delivers furniture from 10 A.M. to 2 P.M. continuously and uniformly. We are interested in how long (in hours) past the 10 A.M. start time that individuals wait for their delivery.
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A
The average wait time is:
B
The expected time for full-time students to graduate is:
C
The length of time to brush one’s teeth is generally thought to be exponentially distributed with a mean of minutes. Find the probability that a randomly selected person brushes his/her teeth less than minutes.
D
Which distribution accurately describes the following situation?
The chance that a teenage boy regularly gives his mother a kiss goodnight (and he should!!) is about 20%. Fourteen teenage boys are randomly surveyed.
the number of teenage boys that regularly give their mother a kiss goodnight
A
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