A fair die is rolled x times. Find the probability that no more than y sixes come up.

a. poisson

b, normal

c. binomal

Batteries have a mean lifetime of x hours with a standard deviation of y. What's the probability of a battery having a lifetime between w and z?

a. poisson

b, normal

c. binomal

A radioactive substance decays at a mean rate of x particles per second. What's the probability of observing at least y particles in z seconds?

a. poisson

b, normal

c. binomal

Choose the exactly one distribution of each type