5/7 Probability Review

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

find the probability of choosing a student at random that plays an instrument OR a sport

• 1/2
• 13/20
• 21/20
• 4/5

If you draw one card from a standard deck, what is the probability of drawing a spade or a red card?  Are the events inclusive or mutually exclusive?

• Inclusive
• Mutually exclusive

Is the event INDEPENDENT or DEPENDENT?
You have a jar with 24 pieces of chocolate candy and 14 pieces of orange candy.  We take one piece of candy at random from the jar, put it back, and then take a second piece of candy at random from the jar.

• Independent
• Dependent

Is the event INDEPENDENT or DEPENDENT?
Amy plays card games.  She picks a card at random.  Then without putting the first card back, he picks a second card at random.

• Independent
• Dependent

Is the event INDEPENDENT or DEPENDENT?
The spinner is spun twice.  What is the probability that it lands on red first and then blue?

• Independent
• Dependent

P(A∣B)=

• P(A⋂B)/P(A)

• P(A⋂B)/P(B)

• P(A⋃B)/P(A)

• P(A⋃B)/P(B)

A recent study of a metropolitan area found that 31% of people owned a SUV, 74% of people surveyed owned a car, and 10% owned both. What's the probability that a randomly chosen person owned a SUV or a car?

• 85%

• 95%

• 5%

• 15%

The weather forecaster predicted it will be 4/5 chance of rain for Monday and 2/3 chance of rain for Tuesday. What is the probability it will rain both days?

• 1/2
• 20/15
• 8/15
• 6/8