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WorksheetsProbability
Total questions: 38
Worksheet time: 3hrs 31mins
A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?
1/9
2/9
5/21
10/21
You pick a marble from this bag.
What is the probability you will choose either a black or white marble?
3/5
9/100
1/10
2/5
In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?
1/11
1/18
1/36
2/33
You roll two die.
What is the probability you will roll a 4, then roll a number less than 3?
1/36
1/18
1/9
1/6
You spin the spinner. How many possible outcomes are there?
4
8
1
6
A spinner is spun twice. What is the probability of spinning green both times?
1/16
1/4
1/2
1/8
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Marbles are taken one at a time without replacement. P(both marbles are purple)
2/9
1/3
1/2
1/4
P(white, then purple, then black)
If 33% of the students at Warren Middle School have a pet, then what is the probability of the students who do not have a pet?
33%
77%
67%
50%
What is the probability of the spin stopping on yellow?
1/4
.25
50%
75%
What is the probability of spinning an even number?
0.25
0.33
50%
75%
If the spinner below was spun 100 times, about how many times would you expect the spinner to land on red?
20
25
15
35
Each face on a standard die shows a number, 1, 2, 3, 4, 5, or 6. If the die is tossed 30 times, how many times would you expect to get a 3?
If I toss a die 30 times I expect to get the number 3, 20 times
If I toss a die 30 times I expect to get the number 3, 5 times
If I toss a die 30 times I expect to get the number 3, 15 times
If I toss a die 30 times I expect to get the number 3, 7 times
Tom solved 9 out of the 15 practice questions for a test correctly. If the actual test is 35 questions, how many can Tom expect to solve correctly?
In the actual test Tom is expected to solve 21 questions correct
In the actual test Tom is expected to solve 25 questions correct
In the actual test Tom is expected to solve 12 questions correct
In the actual test Tom is expected to solve 15 questions correct
An inspector at a calculator factory found 3 out of 100 calculators did not work properly. If the factory produces an order of 5000 calculators, how many might be expected to NOT work properly?
150
15
300
250
An envelope contains 3 different colored cards. Tyler reached in, pulled out a card, recorded the color, and put the card back. He did this 50 times.
Based on these results, what is the best prediction as to the number of green cards he would pick in 100 times?
50
25
100
75
20 out of 35 people chose American Eagle as their favorite brand. If you were to ask 400 people, about how many would pick AE?
189
300
228
208
Solve the following inequality:
12 < -2x + 6
x > - 3
x < -9
x < 6
x < -3
5 out of 25 girls said that they like pink as their favorite color. If you were to ask 325 girls, how many would say they liked pink?
65
70
60
55
You roll a single die numbered from 1 to 6. What is the probability of rolling a number greater than 3 and then a number less than 3?
1/12
3/4
1/6
5/6
Barney is spinning a spinner with 5 equal parts. The parts are numbered 1, 1, 2, 2, 4. Which statement is true?
Barney is more likely to spin a 1 than a 2.
Barney is less likely to spin a 1 than a 4.
Barney is less likely to spin a 4 than a 2.
Barney is equally likely to spin a 4 as a 2.
Jimmy is rolling a 1-6 number cube. Which statement is true?
Jimmy is equally likely to roll a 5 as an even number.
Jimmy is equally likely to roll a 1 as an odd number.
Jimmy is more likely to roll a 6 than a 1.
Jimmy is equally likely to roll an even number as an odd number.
A nickel and a dime are flipped. Which statement is true?
Flipping two heads is more likely than flipping one head and one tail.
Flipping two heads is less likely than flipping two tails.
Flipping a head on the nickel and a tail on the dime are equally likely.
Flipping two tails is equally likely as flipping one head and one tail.
A set of 10 cards are numbered 1-10. One card is randomly selected from the set. Which statement is NOT true?
Selecting a 2 is equally likely to selecting a 5.
Selecting a multiple of 3 is equally likely to selecting a number less than 4.
Selecting a multiple of 4 is equally likely to selecting a multiple of 5.
Selecting an odd number is more likely than selecting a even number.
Look at the diagram. It represents a 6-by-6 foot board. A point randomly chosen from the board 72 times.
Which statement is true?
The selected point is more likely to be in the shaded area than the unshaded area.
The selected point is equally likely to be in the shaded area than the unshaded area.
The selected point is less likely to be in the shaded area than the unshaded area.
The selected point is certain to be in the unshaded area.
A store manager receives a delivery of 2 boxes of lightbulbs. Each box contains 25 lightbulbs. The store manager tests all the lightbulbs and finds that 2 of them are defective. Based on these results, what can the store manager predict about the next delivery of light bulbs?
A delivery of 3 boxes will contain 3 more defective light bulbs than a delivery of 2 boxes.
A delivery of 4 boxes will contain 2 more defective light bulbs than a delivery of 2 boxes.
A delivery of 5 boxes will contain 10 more defective light bulbs than a delivery of 2 boxes.
A delivery of 6 boxes will contain 3 more defective light bulbs than a delivery of 2 boxes.
Ethel will spin each spinner one time.
Which statement is true about Ethel's spins?
The arrow is less likely to land on a green section in Spinner A than in Spinner B.
The arrow is equally likely to land on a yellow section in Spinner A than in Spinner B.
The arrow is more likely to land on a blue section in Spinner A than in Spinner B.
The arrow is more likely to land on a red section in Spinner A than in Spinner B.
