# Probability: True or False

1. Identify if the given random variable is discrete or continuous.

The number of points scored in a season by a randomly selected basketball player in the NBA

discrete

continuous

2. In a binomial distribution, n is the total number of trials, x is the number of successes and p is the probability of a single success.

True

False

3. The sum of all possible probabilities of a probability distribution must add to 1.

True

False

4. Identify if the given random variable is discrete or continuous.

The height of a randomly selected basketball player in the NBA.

discrete

continuous

5. The probability of a failure is denoted by q and is found by 1 - p. (

True

False

6. The mean and standard deviation of a binomial are =np and

True

False

7. A discrete probability distribution lists all possible values of the random variable along with the respective probabilities.

True

False

8. The mean of a discrete probability distribution is found by multiplying each value of the random variable by its corresponding probability and then adding up all the products.

True

False

9. Expected value is the same thing as the

variance

mean

standard deviation

probability

#### Solution Summary

The solution provides answers to true or false questions on probabilities.