1. Suppose you spin the spinner once. Find the probability.
R, R, R, R, B, B, G, Y
P(yellow)
A. 1/8***
B. 1/6
C. 1/4
D. 1/2
2. Suppose you spin the spinner once. Find the probability.
R, R, R, R, B, B, G, Y
P(red or blue)
A. 0
B. 1/4
C. 1/2
D. 3/4***
3. Drink Survey
Drink; Number of Shoppers Who Preferred It
A; 10
B; 15
C; 7
D; 3
E; 6
What is the probability that 1 shopper, selected at random, preferred neither Drink E nor Drink C?
A. 35/41
B. 13/41
C. 28/41***
D. 13/28
4. A farmer examines a sample of 25 cartons of eggs and finds that 3 contain cracked eggs. What is the best prediction of the number of cartons with cracked eggs in a delivery with 500 cartons?
A. 6
B. 12
C. 60***
D. 120
5. A coin is tossed. If heads appears, a spinner that can land on any number from 1 to 4 is spun. If tails appears, a second coin is tossed instead of spinning the spinner. What are the possible outcomes?
A. H1 H2 H3 H4
B. H1 H2 H3
C. H1 H2 H3 H4 TH TT***
D. HH HT
6. A lunch menu has 4 different sandwiches, 2 different soups, and 5 different drinks. How many different lunches consisting of a sandwich, a soup, and a drink can you choose?
A. 10
B. 11
C. 40***
D. 13
7. If the spinner is spun twice, what is the probability that the spinner will stop on a consonant and then again on a consonant?
U, Z, O, E, I, L
A. 2/9
B. 1/3
C. 1/6***
D. 1/9
8. A box contains 4 yellow tiles, 6 green tiles, and 10 purple tiles. Without looking, you draw out a tile and then draw out a second tile without returning the first tile.
Find P(purple, then purple)
A. 9/38
B. 1/4***
C. 3/100
D. 3/19
9. In how many different ways can the following positions be chosen from the 18-member math team?
president, vice president, and treasurer
A. 4,080
B. 306
C. 5,814
D. 4,896***
10. In Mr. Tarkainen's history class, each student chooses two of the topics listed in the chart above for their papers. How many different pairs can Juliana choose?
Year; Invention
1807; Steamboat
1825; Photography
1837; Telegraph
1846; Sewing machine
1869; Hydroelectric power
1879; Light bulb
1890; Diesel Engine
1897; Airplane
A. 90***
B. 10
C. 45
D. 30
11. Below are the results of tossing a number cube 10 times. Find the experimental probability of tossing 4.
2 6 3 5 4 4 1 2 4 3
A. 3/10***
B. 1/6
C. 1/5
D. 2/3
12. A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly.
A. 1/3,125***
B. 1/25
C. 1/625
D. 1/125
13. Eva wants to know the probability of tossing "heads" at least three times out of five. She used the random number table to simulate flipping a coin. She assigned odd digits to represent "heads" and even digits, including zero, to represent "tails."
32766, 53855, 34591, 27732
47406, 31022, 25144, 72662
03087, 35521, 26658, 81704
56212, 72345, 44019, 65311
Use the table to find P("heads" at least 3 out of 5 times).
A. 3/8***
B. 7/8
C. 5/16
D. 13/16
A
D
C
C
C
C
D
A
D
C
A
A
A
DEY BE RIGHT really do be right 100%
thank