Histogram Discrete Probability Distribution

The number of television sets per household in a small city is shown on the left. Let the random variable X be the number of television sets per household.

What is the probability distribution of X?

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Let the random variable X be the number of television sets per household in a small city. The probability distribution of X is shown on the left.

What is the probability histogram of X?

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In a public school, a survey was done on the number of cups of rice consumed by teenagers in a single meal. The results are shown on the left. Let the random variable X be the number of cups of rice. What are the values of X?

• 0, 1, 2

• 1, 0, 2, 0, 1, 1, 2, 2, 1, 1, 1, 1, 1, 0, 2

• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15

• 1, 2

In a public school, a survey was done on the number of cups of rice consumed by teenagers in a single meal. The results are shown on the left. Let the random variable X be the number of cups of rice.

What is the probability distribution of X?

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Let the random variable X be the number of cups of rice consumed by teenagers in a single meal. The probability distribution of X is shown on the left. What is the probability that a teenager consumes one or more cups of rice in a single meal?

Let the random variable X be the number of boys in a family with three children. The probability distribution of X is shown on the left.

What is the probability histogram of X?

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Does the table represent a probability distribution?

• Yes, it satisfies both properties of a probability distribution.

• No, the sum of all probabilities is not equal to 1.

• No, the probability values are not between 0 and 1, inclusive.

• No, it does not satisfy both properties of a probability distribution.

It is the mathematical function that gives the probabilities of occurrence of different possible outcomes for an experiment.

(a)  

It is a random variable whose set of assumed values that is countable.

(a)