To pass the time, a toll booth collector counts the number of cars that pass though his booth until he encounters a driver with red hair. Suppose that 5% of all drivers have red hair. Let Y = the number of cars the collector counts until he gets a red-headed driver for the first time. What are the mean and standard deviation of Y?

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step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

47

step-by-step explanation:

the answer is a. 72. but i cant answer with less than 20 characters so here's some random text talking about it.