14. A bus company has 4000 passengers daily, each paying a fare of $2. For each $0.15 increase, the company
estimates that it will lose 40 passengers per day.
If the company needs to take in $10 450 per day to stay in business, what
fare should be charged?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

What is mean median mode and range?

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?