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Worksheets

probability

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

What is the probability that a leap year contains 53 Tuesdays

a)

1/7

b)

2/7

c)

0

d)

1

2.

From the numbers 1to 50 find the probability of getting number multiple of 5 and 10

a)

10/20

b)

1/5

c)

2/5

d)

20/30

3.
a)
.2855
b)
.6246
c)
.0922
d)
.3230
4.
If E be an event  such that P(E) = 3⁄7, then P(not E) is _______
a)
4⁄7
b)
6⁄7
c)
5⁄7
d)
None of these
5.
Choose the correct answer
If P(A) denote the probability of an event A, then _____ 
a)
P(A) < 0
b)
P(A) > 1
c)
0 ≤ P(A) ≤ 1
d)
-1 ≤ P(A) ≤ 1
6.
A box contains 5 red, 4 green and 3 black balls.  A ball is drawn at random from the box.  The probability of drawing a green ball is____
a)
4⁄12
b)
4⁄11
c)
4⁄10
d)
4⁄9
7.
A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?
a)
3
b)
1/10
c)
3/10
d)
30%
8.

I have some fruits to eat after lunch. There are 2 apples, 2 pears, 1 mango, and 7 strawberries. What are the chances of me picking an apple?

a)

Impossible

b)

less likely

c)

most likely

d)

certain

9.

A dice is thrown. The probability of getting 1 and 5 is ?

a)

1/6

b)

2/3

c)

1/3

d)

1/2

10.

A bag contains 5 black balls, 4 white balls and 3 red balls. If a ball is selected random wise, the probability that it is a black or red ball is

a)

23\frac{2}{3}

b)

810\frac{8}{10}

c)

712\frac{7}{12}

d)

none of these

11.

What is the probability of a leap year contains 53 Mondays and 52 Tuesdays

a)

2/7

b)

3/7

c)

1/7

d)

O

12.

Find probability of a non leap year contains 52 fridays

a)

1/7

b)

6/7

c)

2/7

d)

1

13.

What is the probability that a non leap year contains 53 fridays

a)

1/7

b)

2/7

c)

6/7

d)

0

14.

From the numbers 1 to 50 what is the probability of getting a number multiple of 5 and 10

a)

10/50

b)

5/50

c)

2/50

d)

6/50

15.

From the numbers 1 to 50 what is the probability of getting a number multiple of 5 or 10

a)

10/50

b)

5/50

c)

6/50

d)

2/50