The numerator of a fraction is 9 and the denominator is 6. All of the following numbers are equivalent except . ○ 2/3
○ 3/2
○ 1 ½
○ 18/12​

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?