Which function can be used to model the graphed geometric sequence?
f(x + 1) = f(x)
f(x + 1) = f(x)
O f(x + 1) =
5 f(x)
O'Rx+ 1) 5.75"

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs