. The number of cars that pull up to a car wash on a Friday
morning in Long Beach is approximately bell shaped with a mean of
53 and a standard deviation of 5 cars.
When you draw the bell shaped curve for the empirical rule,
which numbers appear on the horizontal axis? Select
all that appear.
Select 2 correct answer(s)
options:
58
46
43
65
(5 points)
The number of electronic devices owned by the typical US
resident in their lifetime is estimated to be approximately bell
shaped with a mean of 16 and a standard deviation of 5 devices. If
an individual owns 28 devices, find the z-score for this
individual.
options:
2.4
-2.4
2
3
-2
. The number of cars that pull up to a car wash on a Friday morning in Long Beach is approximately bell shaped with a me
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