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# 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.

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