AP Stats: Chapters 5 & 6 Review

Front

What is the probability of winning two independent tennis matches if the probability of winning one match is 0.6?

Back

0.36 (0.6 * 0.6 = 0.36) - The probability of independent events is the product of their probabilities.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

How do you calculate the probability of drawing three red marbles from a jar containing 10 red and 8 green marbles without replacement?

Back

0.147 - Use the formula: P(all red) = (10/18) * (9/17) * (8/16) = 0.147.

Front

What is the standard deviation in a probability distribution?

Back

It measures the amount of variation or dispersion of a set of values. In this case, it is 1.4.

Front

How do you find the probability of an event occurring in a two-way table?

Back

Add the relevant outcomes and divide by the total number of outcomes. For Dodge or four-wheel drive: 90/125.

Front

What is conditional probability?

Back

The probability of an event occurring given that another event has already occurred. Example: P(Chevy | four-wheel drive) = 32/80.

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

Front

Define independent events in probability.

Back

Two events are independent if the occurrence of one does not affect the occurrence of the other.

Tags

CCSS.HSS.CP.A.5

Front

What is the formula for calculating the probability of independent events?

Back

P(A and B) = P(A) * P(B) - Multiply the probabilities of the individual events.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

Explain the concept of 'without replacement' in probability.

Back

When an item is drawn from a set and not returned, it affects the probabilities of subsequent draws.

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

Front

What is a probability distribution?

Back

A function that describes the likelihood of obtaining the possible values that a random variable can take.

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

Front

How do you calculate the probability of multiple events occurring in sequence?

Back

Multiply the probabilities of each event if they are independent.