Probability of Independent Events — Quiz

Question 1

Which best describes independent events?

Revolt · Accepted Answer

The results of all previous events do not affect the probability of future events.

Question 2

A box contains different-colored marbles. If cap p times open paren blue close paren is equal to 1 fourth , cap p times open paren green close paren is equal to 1 fourth , and cap p times open paren blue and green close paren is equal to 1 over 12 , which statement is true?

Revolt · Accepted Answer

The events are dependent because cap p times open paren blue close paren times cap p times open paren green close paren is not equal to cap p times open paren blue And green close paren .

Question 3

A spinner has three equal sections labeled 1 , 2 , and 3 It is spun twice. Which expression can be used to determine cap p times open paren 2 comma then 1 close paren ?

Revolt · Accepted Answer

1 third times 1 third

Question 4

Leona has a bag containing lettered tiles. Which describes dependent events?

Revolt · Accepted Answer

removing a vowel, not replacing it, and then removing another vowel

Question 5

Spinning a 4-section spinner twice can be described as which type of event?

Revolt · Accepted Answer

It is an independent event. The outcome of the second spin is unaffected by the outcome of the first spin.

Question 6

Marco has a bag of red, blue, and green tiles. Which set of events would be considered independent?

Revolt · Accepted Answer

A tile is drawn and replaced, and then a second tile is drawn.

Question 7

Juan rolls a 6-sided number cube 4 times. Each time, the result is 2. Which best describes the events?

Revolt · Accepted Answer

Independent: Each outcome was unaffected by previous outcomes. Compound: Multiple events occurred.

Question 8

Which is a pair of dependent events?

Revolt · Accepted Answer

removing a marble from a bag, not putting it back, and then removing a second marble

Question 9

Which is a pair of independent events?

Revolt · Accepted Answer

choosing one card from a deck and then choosing one card from another deck

Question 10

The theoretical probability of rolling heads in a coin toss is 1 half What is cap p times open paren heads comma heads comma heads close paren ?

Revolt · Accepted Answer

1 eighth

Probability of Independent Events — Quiz Answers

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