184,526 views
38 votes
38 votes
Question 1 (1 point)

Three green jelly bean, five red jelly beans and two orange jelly bean are in a bag.

What is the probability of selecting an orange jelly bean, putting it back, and then selecting a green jelly bean?



Question 1 options:

120

350

14

230
Question 2 (1 point)
A spinner is spun and a number cube is rolled. What is the probability that a blue will be spun on the spinner and a four will be rolled on the number cube?



Question 2 options:

124

210

112

13
Question 3 (1 point)
An employee at a pet shop randomly selects two fishes from a tank where there are 5 guppies, 4 platyfishes, and 3 rasboras. What is the probability that both are platyfish?

Question 3 options:

0.08


0.58


0.09


0.6

Question 4 (1 point)
Eleven purple marbles, seven orange marbles and two pink marbles are in a bag. What is the probability of selecting a purple marble, not replacing it, and then selecting an orange marble?

Question 4 options:

19%


20%


21%


22%

Question 5 (1 point)
A coin is flipped twice. What is the probability that the coin will land on tails on the first flip and will land on tails again on the second flip?

Question 5 options:

14=0.25=20%

14=0.20=25%

12=0.25=25%

14=0.25=25%
Question 6 (1 point)
What is the probability of spinning a green and then spinning a yellow?



Question 6 options:

13

412

423

148
Question 7 (1 point)
What is the probability of selecting an Ace, not replacing it, and then selecting a King?

Note: Please, enter only numeric portion of your answer in the box as a decimal rounded to the nearest hundredth.

Example: 0.75





Question 7 options:
Question 8 (1 point)
A cookie jar contains 6 sugar cookies, 4 lemon cookies, and 2 chocolate cookies. Anne randomly chooses 1 sugar cookie from the jar, replaces it, then chooses a chocolate cookie.

Question 8 options:

111

112

823

13
Question 9 (1 point)
Calculate the probability of each scenario and then match the answer to each question.

Question 9 options:

15

415
1.
What is the probability of spinning an even number on the first spinner and vowel on the second spinner?



2.
What is the probability of selecting a red jelly bean, not replacing it, and then selecting an orange jelly bean?



Question 10 (1 point)
A drawer contains unmatched socks. There are 7 black, 4 blue, and 5 white. What is the probability that you will select a white sock, not replace it, and then draw another white sock without looking?

Question 10 options:

0.10=10%


0.098=9.8%


0.078=7.8%


0.08.=8.3%


0 of 10

User Shaheem
by
3.1k points

2 Answers

28 votes
28 votes

Answer:

#4- 20%

I took the test and saw that a person who answered mistaken this question. I though this would be helpful. :)

User Shekh Shagar
by
2.8k points
7 votes
7 votes

Answer:

#1 . 3/50

#2 . 1/24

#3 . 0.9

#4 . 22%

#5 . 1/4 = 0.25 = 25%

#6 . 1/48

#7 . 0.05

#8 . 1/12

#9 . 1 - 1/5 2 - 4/15

#10 . 0.083 = 8.3%

Explanation:

i took the quiz

User CocoNess
by
2.7k points