Se the binomial probability formula to find P(X = 19).

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

How far could you drive on 50 gallons of gas

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55