Probability Distribution

Given the probability distribution, what is P(X < 1)?

If two coins are tossed, which is NOT a possible value of the random variable for the number of heads?

• 0

• 1

• 2

• 3

• Yes

• No

• Maybe

• Cannot be determined

What is the probability that a client will not drink coffee with a meal?

Let the random variable X be the number of days in a month for a leap year (Note: There are 29 days in February for a leap year.) The probability distribution of X is shown on the left. Determine the following probability: P(X < 30)

• Discrete

• Continuous

• Abstract

• cannot be answered

A survey was conducted on the number of cups of coffee consumed by each client with a meal. The results are tabulated in the table on the left. Let the random variable X be the number of cups of coffee. What is the probability distribution of X?

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Let the probability experiment be tossing a coin thrice.

Let the random variable X be the number of tails. What is the probability distribution of X?

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Is this a probability distribution?

• No

• Yes