4. Probability

Which of the following describes the probability distribution with possible outcomes $0$, $1$, and $2$, and corresponding probabilities $\frac{1}{4}$, $\frac{1}{2}$, and $\frac{1}{4}$?

The lengths of time it takes for new light bulbs to burn out are an example of which type of data?

Suppose a continuous random variable $X$ has a uniform distribution on the interval $[2,8]$. What is the probability that $X$ will assume a value between $3$ and $5$? (Round your answer to 4 decimals.)

In your coin purse, you have 3 quarters, 4 nickels, & 2 dimes. If you pick a coin at random, what is the probability that it will be a quarter?