Question
Currently, about 67% of all U.S. households own a pet. Consider the yearly cost of owning a pet, assuming that these costs are approximately distributed
Currently, about 67% of all U.S. households own a pet. Consider the yearly cost of owning a pet, assuming that these costs are approximately distributed as a normal random variable with a mean of $4600 and a standard deviation of $60.
a.Find the probability that the yearly cost of owning a pet is less than $4550.
b.Find the probability that the yearly cost of owning a pet is more than $4690.
c.What proportion of the households spent between $4550 and $4690 in the yearly cost of owning a pet?
d.99% of the households spent less than what amount in the yearly cost of owning a pet?
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Calculus And Its Applications Expanded Version
Authors: Marvin L Bittinger, David J Ellenbogen, Scott J Surgent
1st Edition
0321882512, 9780321882516
