Free Printable Probability Final PRACTICE

Worksheets

Probability Final PRACTICE

Total questions: 50

Worksheet time: 25mins

Name

Class

Date

What is the percent form of 1/4?

25%

50%

75%

What is the percentage of the fraction 1/2?

50%

100%

30%

What is the percentage of the fraction 2/5?

40%

.4%

20%

What is the decimal representation of the fraction 1/5?

0.2

0.5

0.15

What is 3/4 in percent form?

75%

35%

25%

What is 1/8 in percent form?

12.5%

125%

1.25%

Convert 8/52 into simple fraction

2/13

1/13

8/13

What is the probability of getting a dice from a deck of cards?

13/52

4/52

1/13

7/52

What is the probability of getting a head, when you toss a coin?

1/2 or 50%

1/4 or 25%

1 or 100%

10.

What is the probability of getting your name picked up in a lot, if there are 27 students in the class?

1/27

2/27

100%

11.

What is the probability of choosing an odd number from 1-10?

5/10 or 1/2

1/5 or 20%

1/10

12.

What is the probability of picking an even number from 1-20?

10/20 or 1/2

1/3 or 33%

50%

1/4 or 25%

13.

What is the probability of picking an even number from 1-20?

10/20 or 1/2

1/3 or 33%

50%

1/4 or 25%

14.

What is the probability of blind-picking a red ball, if you have green, black, white, red and yellow balls in a basket?

1/5

1/4

1/6

1/3

15.

What is the probability of people picking chocolate shake, if vanila, chocolate and strawberry shakes are served in a shop?

1/3, or 33%

1/4, or 25%

1/2, or 50%

16.

What is the probability of people picking chocolate shake, if vanila, chocolate and strawberry shakes are served in a shop?

1/3, or 33%

1/4, or 25%

1/2, or 50%

17.

What is the probability of picking a red chalk, if there are green, orange, red, and white chalks (5 each) are in a box?

5/15 or 1/3 or 33%

1/5 or 20%

70%

18.

What is the probability of getting a head or tail, when you toss a coin?

1/2 + 1/2 = 2/2, 100%

1/2 + 1/2 = 1/2, 50%

1/2 x 1/2 = 1/4, 25%

19.

What is the probability of getting number 5 or 3, when you roll a dice?

1/6 + 1/6 = 2/6, that is 1/3, 33%

1/6 + 1/6 = 1/6, that is 16%

20.

What is the probability of getting a red or blue ribbon, if there are five red, blue, and yellow ribbons in a basket?

$\frac{5}{15}+\frac{5}{15}$

2/3

15/15

1/15

3/15

21.

What is the probability of choosing your name or your best friend's name, if there are 10 students?

20%

10%

50%

22.

What is the probability of getting a 1, 2, or 3 when you roll a dice?

$\frac{1}{6}+\frac{1}{6}+\frac{1}{6}$

3/6, that is 50%

1/3, that is 33%

6/6, that is 100%

23.

What is the probability of getting a head AND tail consecutively, when you toss a coin TWO TIMES?

1/2 + 1/2 = 2/2, 100%

1/2 + 1/2 = 1/2, 50%

1/2 x 1/2 = 1/4, 25%

24.

What is the probability of getting 5 AND 3 numbered sides consecutively, when you roll a dice TWO TIMES?

1/6 + 1/6 = 2/6

1/6 x 1/6 = 1/36

25.

What is the probability of getting an even AND odd number, from numbers 1-10 (Pick Two Times)?

5/10 + 5/10 = 10/10, that is 100%

5/10 x 5/10 = 25/100, that is 25%

26.

What is the probability of getting a red AND blue ribbon, if there are five red, blue, and yellow ribbons in a basket?

$\frac{5}{15}\times\frac{5}{15}$

2/3

15/15, 1

25/225, 1/9

3/15

27.

What is the probability of picking a mango AND apple from a basket, if there are 2 mangoes, apples and oranges in a basket?

$\frac{2}{6}\times\frac{2}{6}$

2/3

4/36, 1/9

1/2

3/4

28.

What is the probability of choosing your name AND your best friend's name, if there are 10 students (Two Lots with replacing)?

$\frac{1}{10\ }\times\frac{1}{10}$

20%

50%

29.

What is the chance of getting a head AND a tail, when you toss a coin (TWO TIMES)?

$\frac{1}{2}\times\frac{1}{2}$

100%

25%

30.

What is the probability of getting SIDE numbered 1, when you roll a dice?

1/6

2/6

1/3

1/1

31.

What is the probability of getting an even number or 7 from numbers 1-10?

$\frac{5}{10\ }+\frac{1}{10}$

6/10, that is 3/5

5/10, that is 1/2

6/20, that is 3/10

32.

What is the probability of choosing an ace or 7 from a deck of cards?

$\frac{4}{52}+\frac{4}{52}$

8/52, that is 15%

4/52, that is 7.6%

1/2, that is 50%

1/13, that is 7.5%

33.

If there are four people to be chosen for a job, and the lot picks up just one, what was his/her chance of being selected?

1/4, that is 25%

1/2, that is 50%

2/2, that is 100%

34.

There are 2 quarters, 3 dimes, 5 pennies in a box. If you blindfoldedly pick one coin, what is the chance that it be a penny?

5/10, that is 1/2 or 50%

1/3, that is 33%

2/10, that is 20%

35.

There are 2 quarters, 3 dimes, 5 pennies in a box. If you blindfoldedly pick one coin, what is the chance that it be a quarter?

2/10, that is 20%

1/3, that is 33%

5/10, that is 50%

36.

There are 2 quarters, 3 dimes, 6 pennies in a box. If you blindfoldedly pick one coin, what is the chance that it be a Dime?

3/11

2/11

6/11

37.

There are 10 quarters, 5 dimes, 6 pennies in a box. If you blindfoldedly pick one coin, what is the chance that it be a Dime?

5/21

10/21

6/21

38.

If there are two red, five green and six blue balls in a basket and you blindfoldedly pick one ball, what is the chance that it be a blue ball?

6/13

2/13

5/13

39.

If there are two red, five green and six blue balls in a basket and you blindfoldedly pick one ball, what is the chance that it be a red ball?

2/13

5/13

6/13

40.

If there are 10 red, 10 green and 5 blue balls in a basket and you blindfoldedly pick one ball, what is the chance that it be a red ball?

10/25, or 2/5

5/25, or 1/5

41.

If there are four colors (green, blue, orange, red) and you need to pick blindfoldedly two colors, what is the probability that it be green or blue?

50%

25%

20%

42.

If there are four colors (green, blue, orange, red) and you need to blindfoldedly pick three colors (THREE TIMES), what is the probability that it be orange AND blue AND red, consecutively?

$\frac{1}{4}\times\frac{1}{4}\times\frac{1}{4}$

3/4

1/64

2/4

43.

Head OR Tail, you Toss only once (100% Chance for head or tail)

$\frac{1}{2}+\frac{1}{2}$ 2/2, then 100%

Head AND Tail, you toss two times (25% chance of getting that sequence of Head and Tail) $\frac{1}{2}\times\frac{1}{2}$ = 1/4, then 25%

OR, we ADD fractions

AND, we Multiply the fractions

OR, we multiply fractions

AND, we add fractions

44.

Toss two fair coins and record the outcome. Find the probability of observing exactly one head in the two tosses.

50%

25%

100%

10%

45.

Suppose a coin is flipped and a dice of six sides is rolled. What is the probability of getting a head and 2?

1/2 x 1/6 = 1/12

1/2 x 1/2 = 1/4

1/6 x 1/6 = 1/36

46.

What is the probability of picking a spade two times from a deck of cards? WITHOUT REPLACING

13/52 X 12/51

13/52 X 13/52

47.

Tom and Jerry took a lottery each. There were 30 lotteries sold. What is the probability of at least one of them getting the lottery? (Answer is 1 – both not getting)

1 - (29/30)^2

1 + (29/30)^2

48.

We are planning a 4 days trip. Weather forecast shows 65% rain during that time. What is the probability of at least one day raining?

1 - (35/100)^4

1 - (65/100)^4

49.

We are planning a 4 days trip. Weather forecast shows 65% rain during that time. What is the probability of at least one day raining?

98.4%

65%

35%

50.

A candy dish contains one yellow and two red candies. You close your eyes, choose two candies one at a time from the dish, and record their colors. What is the probability that both candies are red?

2/6, 1/3

3/6, 1/2

4/6, 2/3

100 %

Probability Final PRACTICE

Total questions: 50

Worksheet time: 25mins

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