Exploring Probability and Sample Spaces

This video tutorial covers basic probability concepts, including the definition of probability, sample spaces, and the complement rule. It uses a coin flip example to explain how to calculate probabilities and introduces the concept of independent events. The video also demonstrates how to create and analyze a sample space diagram and discusses key probability rules, such as the complement rule. The tutorial concludes with a summary and additional resources for further learning.

What is the probability of getting heads when flipping a coin?

• 25%

• 50%

• 100%

• 75%

Tags

CCSS.7.SP.C.5

What is the formula to calculate the probability of an event?

• Possible outcomes - Favorable outcomes

• Possible outcomes / Favorable outcomes

• Favorable outcomes / Possible outcomes

• Favorable outcomes + Possible outcomes

Tags

CCSS.7.SP.C.7B

If a coin is flipped twice, what is the probability of getting heads both times?

• 100%

• 75%

• 50%

• 25%

How many possible outcomes are there when flipping a coin twice?

• 5

• 4

• 3

• 2

How can the probability of two independent events occurring together be calculated?

• Subtracting one probability from the other

• Adding their probabilities

• Dividing one probability by the other

• Multiplying their probabilities

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

What is the probability of getting at least one tail when flipping a coin twice?

• 25%

• 50%

• 75%

• 100%

What does a probability of 0 indicate?

• The event never occurs

• The event occurs 50% of the time

• The event always occurs

• The event occurs 25% of the time

Tags

CCSS.7.SP.C.5

What is the complement rule in probability?

• The sum of probabilities of all outcomes equals 2

• The probability of two independent events occurring is the sum of their individual probabilities

• The probability of an event occurring is 1 minus the probability of it not occurring

• The probability of an event not occurring is 1 minus the probability of it occurring

What must the sum of the probabilities of all possible outcomes equal?

• 0.5

• 0

• 1

• 2

Tags

CCSS.7.SP.C.5

What is the probability of not getting two tails when flipping a coin twice?

• 50%

• 100%

• 75%

• 25%