Which survey question is unbiased? a. should the schools parking lot be paved to increase our safety b. are you dissatisfied with the overcharges and poor service of your present phone company c. what drink do you prefer with a meal d. do you think jones is a good mayor in spite of his questionable character

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?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3