6.3 - Conditional Probability

Question 1

A dartboard consists of a circle inscribed in a square. The area of the circle is square inches. The area of the square is 64 square inches.

Revolt · Accepted Answer

22%

Question 2

Patty, Quinlan, and Rashad want to be club officers. The teacher who directs the club will place their names in a hat and choose two without looking. The student whose name is chosen first will be president and the student whose name is chosen second will be vice president.Which choice represents the sample space, S, for this event?

Revolt · Accepted Answer

S = {PQ, QP, PR, RP, QR, RQ}

Question 3

April is randomly choosing five CDs to bring in her car from the following: 6 pop CDs, 8 rock CDs, and 10 R&B CDs.What is the complement of April choosing five pop CDs?

Revolt · Accepted Answer

choosing five CDs where not all of them are pop

Question 4

Dayshawn can choose two of his four t-shirts to take on a weekend trip.If the t-shirts are labeled A, B, C, and D, which choice represents the sample space, S, for the event?

Revolt · Accepted Answer

S = {AB, AC, AD, BC, BD, CD}

Question 5

A briefcase has a three-digit lock code that does not include zero as a digit.What is the probability that the lock code consists of all even digits if the same digit is not used more than once in the lock code?

Revolt · Accepted Answer

24 out of 504

Question 6

Five students, Adriana, Ben, Chandra, Diana, and Ernesto, would each like one of the four spots at the regional science fair. Their names are placed in a hat, and four names are chosen at random to decide who attends the fair.What is the theoretical probability that Chandra will be chosen as one of the science fair participants?

Revolt · Accepted Answer

80%

Question 7

A cafeteria manager can choose from among six side dishes for the lunch menu: applesauce, broccoli, corn, dumplings, egg rolls, or French fries. He uses a computer program to randomly select three dishes for Monday’s lunch.What is the theoretical probability that applesauce and broccoli will both be offered on Monday?

Revolt · Accepted Answer

20%

Question 8

The table shows the results of a survey in which 10th-grade students were asked how many siblings (brothers and/or sisters) they have.

Revolt · Accepted Answer

70%

Question 9

three

Revolt · Accepted Answer

The theoretical probability of spinning any one of the five colors is 20%.; The theoretical probability of spinning green is equal to the experimental probability of spinning green.; If Yuri spins the spinner 600 more times and records results, the experimental probability of spinning orange will get closer to the theoretical probability of spinning orange.

Question 10

Jasmine rolls a number cube 72 times. The number 2 is rolled 13 times and the number 3 is rolled nine times.To the nearest whole percent, what is the experimental probability of rolling a 2 or 3?

Revolt · Accepted Answer

31%

6.3 - Conditional Probability Answers

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