Probability Distribution Functions -Practice quiz

Probability Distribution Functions -Practice quiz

11th - 12th Grade

20 Qs

quiz-placeholder

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Probability Distribution Functions -Practice quiz

Probability Distribution Functions -Practice quiz

Assessment

Quiz

Mathematics

11th - 12th Grade

Medium

Created by

Geoffrey Lufanana

Used 22+ times

FREE Resource

20 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

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2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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Hugo plans to buy packs of baseball cards until he gets the card of his favorite player, but he only has enough money to buy at most 4 packs. Suppose that each pack has a probability of 0.2 of containing the card Hugo is hoping for.

Let the random variable X be the number of packs of cards Hugo buys. Here is the probability distribution for X:

What is the probability that Hugo buys fewer than 3 packs of cards?

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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A data scientist tracked how many cups of coffee she drank every day at work over the course of a year. She used the data to build a probability distribution where the random variable C represents the number of cups of coffee she drank on a given day. Here is the partially completed distribution:

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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Cora is playing a game that involves flipping three coins at once.

Let the random variable H be the number of coins that land showing "heads". Here is the probability distribution for H:

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Can the function in the given table be a probability distribution function?

Yes, because all the probabilities are between 0 and 1

No, because the sum of the probabilities is not 1

Yes, because the sum of the probabilities is 1

Yes, because it is in a table format.

No, because some probabilities are less than zero.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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The function in the given table is a probability distribution function of a discrete random variable 𝑋. Find the value of 𝑎.

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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Write your answer as a fraction in its simplest form. use the / symbol e.g. 1/3

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