A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: Age Number of Customers
<20
58
20-29 57
30-39 98
40-49 59
50-59 79
≥60
100

One customer is chosen at random for a prize giveaway. (Round answers to 4 decimal places.)

a. What is the probability that the customer is at least 20 but no older than 59?

b. What is the probability that the customer is either older than 40 or younger than 20?

c. What is the probability that the customer is at least 50?

If the supply of aisle seats and middle seats on an airplane is the same, but the demand for aisle seats is greater than the demand for middle seats, then the equilibrium price of aisle seats will be less than the equilibrium price of middle seats. true false

Do you have to get teased in the police academy?

Awidower devised his fee simple interest in his residence as follows: “to my daughter for life, then to my oldest grandchild who survives her.” at the time of the widower’s death, he was survived by his only two children, a son and a daughter, and by one grandchild, his daughter’s son. a short time later, the daughter together with her son entered into a contract to sell the residence in fee simple to a buyer. the applicable jurisdiction continues to follow the common law rule against perpetuities, but has abrogated the rule in shelley’s case. at the closing, the buyer refused to purchase the residence. can the sellers compel the buyer to do so?