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When observing a checkout line at a food store, the average number of people served is
30 per hour. Using the Poisson distribution, what is the standard deviation of the
number of people served in an hour?
One of the most important concepts of statistical process control is that no two products
are ________________.
The probability that a flipped coin will show heads on four consecutive flips is
_______________.
The following stem-and-leaf display reports the number of boats shipped per week by
Ottertail Boats, Inc.
11| 1 5 9
12| 0 1 2 2 6 9
13| 0 1 2 3 4 5 5 7 8 8 9
14| 2 6 8
15| 0 1 2 4 5 7 8 9
16| 1 5 7 9
How many weeks were included in the study?
A company set up a kiosk in the Mall of America for several hours and asked randomly
selected people which color cell phone cover was their favorite. The results follow:
What is the probability that black, lime, or orange are the favorite colors, given that the
person's age is 21 or older?
