AnswersCR CCSS Math 2 S2 M2960OXSolving for Side Lengths of Right Triangles

Theoretical and Experimental Probability Answers

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Joe, Keitaro, and Luis play tennis. To decide who will play against each other in the first match, they put their names in a hat and choose two names without looking.What subset of the sample space, A, represents the complement of the event in which Joe plays in the first match?

A
A = {KL}
B
A = {KJ, KL}
C
A = {KL, LK}
D
A = {KJ, KL, LJ}
2
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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?

A
choosing five CDs where none of them are pop
B
choosing five CDs where not all of them are pop
C
choosing five CDs where at least one of them is pop
D
choosing five CDs where all of them are pop
3

A real estate map shows a 100-acre property:

A
0.30
B
0.70
C
0.40
D
0.60
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?

A
S = {ABCD}
B
S = {ABCD, DCBA}
C
S = {AB, AC, AD, BC, BD, CD}
D
S = {AB, BA, AC, CA, AD, DA, BC, CB, BD, DB, CD, DC}
5

An insurance company predicts a 10% chance of an accident for drivers in a year. Out of 500 drivers, 65 report accidents.

A
It is equal to the theoretical probability.
B
It is greater than the theoretical probability.
C
It is less than the theoretical probability.
D
It cannot be determined.
6

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?

A
S = {PQR}
B
S = {PQR, PRQ, QPR, QRP, RPQ, RQP}
C
S = {PQ, PR, QR}
D
S = {PQ, QP, PR, RP, QR, RQ}
7

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.

Question illustration
A
22%
B
25%
C
75%
D
79%
8

Which statements are true about Yuri’s experiment? Select three options.

A
The theoretical probability of spinning any one of the five colors is 20%.
B
The experimental probability of spinning blue is .
Option B
C
The theoretical probability of spinning green is equal to the experimental probability of spinning green.
D
The experimental probability of spinning yellow is less than the theoretical probability of spinning yellow.
E
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.
9

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?

A
7%
B
18%
C
22%
D
31%
10

Four runners, Fran, Gloria, Haley, and Imani, compete on a relay team. Haley is the first runner in the relay. The other runners can run in any order.What is the sample space showing the possible orders of the other three runners?

A
S = {FGI, GFI, IFG}
B
S = {FGI, FIG, GFI, GIF}
C
S = {FGI, FIG, GFI, GIF, IFG, IGF}
D
S = {FGI, FIG, GFI, GIF, HFG, HGI, IFG, IGF}

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