Airline passengers arrive randomly and inde­pendently at the passenger­ screening facility at a major international airport. The mean arrival rate is 10 passengers per minute.

(a) Compute the probability of no arrivals in a one­minute period.
(b) Compute the probability that three or fewer passengers arrive in a one­minute period
(c) Compute the probability of no arrivals in a 15­ second period.
(d) Compute the probability of at least one arrival in a 15­ second period.

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp