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Algebra 1 - Precalculus

16.01 Discrete probability distributions

Interactive practice questions

At the beginning of the year, a teacher seats his students alphabetically to learn their names quickly.

a

Can we use a probability distribution to model where a particular child will sit in the class?

No

A

Yes, a discrete probability distribution

B

Yes, a continuous probability distribution

C
b

Which of the following explains why a probability distribution doesn’t exist for this situation?

The outcomes are not random.

A

The outcomes are not variable.

B
Easy
< 1min

A teacher randomly selects $3$3 students from her class of $28$28 students to prepare a presentation for assembly.

Easy
< 1min

A manager randomly selects four people from his Sales team and two people from his Development team to attend a leadership conference.

Easy
< 1min

Four cards are randomly selected without replacement from a standard pack of $52$52 cards.

Easy
< 1min
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Outcomes

S.MD.A.1

Define a random variable for a quantity of interest by assigning a numerical value to each event in a sample space; graph the corresponding probability distribution using the same graphical displays as for data distributions.

S.MD.A.2

Calculate the expected value of a random variable; interpret it as the mean of the probability distribution.

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