study guide 7.9&7.10

MATH-7
SOL Review 7.9 and 7.10 - Probability and FCP
Exam not valid for Paper Pencil Test Sessions
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[Exam ID:2LV0BM
Directions: Click on a box to choose the number you want to select. You must select all correct numbers.
Craig has a six sided number cube. He rolls the number cube 250 times and records the data in the table. Based on the data shown, the probability of rolling which numbers have a larger theoretical probability than experimental probability?
2
1
3
5
2
4
6
Sandy has a bag of 30 pieces of grape gum and 25 pieces of watermelon gum. What is the probability that the next piece of gum she randomly chooses will be watermelon?
5 6 11 B
5 6 C
5 5 D
11 A
3
The color of the flowers in Mary's shop are displayed in the chart below. If Mary selects a flower at random, what is the probability that it will be pink? 3 10 1 B
2 4 C
5 1 D
5 A
4
The six faces of a fair cube are numbered 1 through 6. If the cube is rolled 600 times, what is the expected number of times a 2 will be rolled?
A 500
B 300
C 200
D 100
5
If Sara rolls a number cube, numbered 1 to 6, what is the probability that she will roll an odd number?
2 3 1 B
3 1 C
2 5 D
6 A
6
If John made 13 out of 15 of his free throws in the basketball game, which best describes the probability that he will make his next free throw?
A 13%
B 50%
C 24%
D 87%
7
A bag contains 9 blue marbles, 10 red marbles, and 11 yellow marbles. What is the probability of randomly choosing a blue or yellow marble from the bag?
2 3 3 B
2 9 C
11 1 D
3 A
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Shawn picks one marble at a time from a bag and replaces it. He repeats this process 100 times and records the results in the table. Based on the table, which color marble has an experimental probability of A
B
C
D
9
7 ?
25 Blue
Yellow
Red
Orange
A regular card deck contains 52 cards, 4 of which are aces. Assuming the cards are dealt randomly, what is the probability that the first card dealt will be an ace?
1 13 1 B
52 4 C
13 1 D
12 A
10 What is the experimental probability of drawing a red marble from the data given below? 4 15 1 B
15 2 C
15 1 D
5 A
11 This spinner has 8 sections of equal size. The arrow of this spinner was spun 24 times and landed on the letter B four times. What is the experimental probability the arrow will land on the letter B?
1 2 1 B
8 1 C
6 1 D
24 A
12 During a game, Linda tossed a fair coin 10 times and got 7 “tails”. What is the theoretical probability the coin will land showing heads on Linda’s next toss?
1 2 7 B
10 3 C
7 7 D
3 A
13 Sara drew a number from the number tiles. What was the probability Sara drew an even number?
A 25%
B 100%
C 75%
D 50%
14 Billy picks one card at a time from a bag and replaces it. He repeats this process 12 times and records the results in the table. Based on the table, which letter has an experimental probability of drawn from the bag next?
A B
B C
C D
D A
1 for being 3 15 Henry and his family opened a new restaurant and the menu is shown below. Customers are asked to choose 1 item from each column of the menu for a meal. Which of the following shows how to find the total number of different combinations for a meal?
A 3 • 4 • 5 • 3
B 3 + 4 + 5 + 3
C 3 • (1 + 2)
D 4 • 3 + 1 + 2
16 Lindsey can wear a skirt, shorts, or pants to the meeting. She must wear a shirt or sweater to complete the outfit. Lindsey forgot her dress shoes, but she brought sneakers, flip flops, and clogs. She must choose one pair of shoes to wear with her outfit. How many different outfits can Lindsey make?
A 8
B 9
C 18
D 24
17 John can walk home, ride the bus, or go home with a friend. He can leave school before lunch time or after he eats lunch. How many different ways can John leave school?
A 6
B 5
C 4
D 1
18 Jamie's mother is trying to figure out what path Jamie took while running some errands. She knows that Jamie was going to visit a store, a friend and a restaurant. Which of the following shows how to find all the different possible routes Jamie could have taken when visiting one store, one friend, and one restaurant?
A
B
C
D
3 • (2 + 4)
3 • 2 • 4
3 • 2 + 4
3 + 2 + 4
19 Randall wants to buy a pizza. He can select from 5 different sizes, 4 types of crust, and 12 toppings for his pizza. Which of the following shows how to find all the different possible choices of 1 size, 1 crust, and 1 pizza topping Randall can buy?
A
B
C
D
5 • 4 + 12
5 • (4 + 12)
5 • 4 • 12
5 + 4 + 12
20 Three families are playing a board game and need to form teams of 3 players with 1 player from each family. How many different teams containing 1 member from each family could be formed?
A 27
B 18
C 9
D 3
21 A summer camp offers different choices at lunch. How many different lunch combinations consisting of 1 main dish, 1 side dish, and 1 drink are possible?
A 18
B 27
C 9
D 6
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