Indicate the answer choice that best completes the statement or answers the question. Find the total cost to the nearest cent.

$85 jeans; 7% tax

a.
$144.50

b.
$5.95

c.
$90.95

d.
$79.05

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?