The record for picking blueberries in one day was 4,500 pounds. Since there are 1000 blueberries in a pound, this amounted to 4,500,000 blueberries. If these berries were picked in 8 hours, find the average number of berries picked each hour.
The average number of berries picked each hour was

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244