Probability and Expected Value Concepts

Probability and Expected Value Concepts

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers Example 5-21, focusing on calculating the expected value of a ticket purchase for a color TV raffle. It explains how to set up a probability distribution by identifying outcomes and their probabilities. The tutorial demonstrates using a calculator to compute the mean and expected value, emphasizing the importance of understanding probability distributions in games of chance.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of the color TV prize in the example problem?

$500

$200

$100

$350

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much does each ticket cost in the example?

$2

$5

$1

$0.50

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expected value in probability terms?

The lowest possible loss

The sum of all possible outcomes

The average gain or loss from an event

The highest possible gain

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you win the prize, what is your net gain?

$348

$350

$351

$349

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of winning the prize?

1 in 2000

1 in 500

1 in 100

1 in 1000

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of losing the prize?

999 in 1000

100 in 1000

1 in 1000

500 in 1000

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a random variable in the context of this example?

The gain from purchasing a ticket

The total revenue from ticket sales

The cost of the TV

The number of tickets sold

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