At a manufacturing plant where switches are made, it is a known fact that 2% of all switches are defective. If two switches a
used in a device, what is the probability that both switches are good?
a. 0.9604
b. 0.02
C. 0.98
d. 49

What is the length of the unknown leg in the right triangle ?

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.