Probability Concepts and Calculations

Probability Concepts and Calculations

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial by Mr. Hul covers Lesson Four on calculating probabilities for chance experiments with equally likely outcomes. It begins with an introduction to probability concepts and proceeds with a random cube drawing experiment to demonstrate practical application. The video analyzes the experimental results and compares them with theoretical probability. Additional exercises include a coin flipping experiment, dice rolling, letter selection, and coloring squares to further explore probability concepts. The lesson concludes with a spinner game scenario to calculate probability.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basic formula for calculating the probability of an event?

Number of favorable outcomes multiplied by total number of outcomes

Number of favorable outcomes divided by total number of outcomes

Total number of outcomes divided by number of favorable outcomes

Total number of outcomes minus number of favorable outcomes

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a chance experiment with replacement, what happens to the number of items in the bag?

It doubles

It remains the same

It increases

It decreases

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a theoretical probability predicts equal outcomes, what might an experimental probability show?

Different outcomes due to chance

No outcomes at all

Only one outcome

Always equal outcomes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many possible outcomes are there when flipping a nickel and a dime?

Two

Three

Five

Four

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of rolling an odd number on a six-sided die?

2/3

1/2

1/3

1/6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sample space when selecting a letter from the word 'NUMBER'?

N, U, M, B, E, R

N, U, M, B, E

N, U, M, B

N, U, M

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the probability of selecting a blue square is 1/2, how many blue squares are there in a bag of 10 squares?

2

4

5

6

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