Probability Test

Question 1
1 / -0

Which of the following is not an event?

A
Getting two tails when two coins are tossed simultaneously.

B
Selecting a family having 2 children from certain families.

C
Selecting a child from a class.

D
Getting a red ace card from a pack of cards.

Question 2
1 / -0

From a pack of cards, a card is drawn randomly. The probability of getting a jack is

A
1/13

B
1/2

C
1/4

D
1/26

Question 3
1 / -0

A bag contains 8 white, 5 green and 9 yellow marbles. The probability of getting a yellow marble, when one marble is drawn randomly is

A
equal to 1/2

B
less than 1/2

C
greater than 1/2

D
greater than 2/3

Question 4
1 / -0

In a survey of 425 persons, 126 persons read only Hindi newspaper, 235 read only English and the remaining read newspaper in other languages. If a person is selected at random, the probability that he reads newspaper in language other than Hindi or English is

A
64/425

B
361/425

C
126/425

D
235/425

Question 5
1 / -0

The minimum value for the empirical probability of an event is

A
0

B
-1

C
1/2

D
1

Question 6

1 / -0

The percentage of marks obtained by a student in the monthly unit tests are given below

Class	I	II	III	IV	V
Frequency	78	83	72	89	77

Based on this data the probability of selecting a student getting less than 70% marks is

1/5

2/5

1

0 Question 7

1 / -0

In a locality having 85 families, a survey was conducted on the soap brand used by them and the following data was collected:

Soap brand	Brand A	Brand B	Brand C	Brand D
Number of families	26	32	18	9

If a family is selected at random, then the probability of the family using soap brand C is

26/85

32/85

18/85

9/58

Question 8
1 / -0

From a pack of cards, a card is drawn at random. The probability of getting a red card is

A
1/13

B
1/4

C
1/2

D
1/26

Submit Test

Probability Tes...

Question 1

Getting two tails when two coins are tossed simultaneously.

Selecting a family having 2 children from certain families.

Selecting a child from a class.

Getting a red ace card from a pack of cards.

Question 2

1/13

1/2

1/4

1/26

Question 3

equal to 1/2

less than 1/2

greater than 1/2

greater than 2/3

Question 4

64/425

361/425

126/425

235/425

Question 5

0

-1

1/2

1

Question 6

1/5

2/5

1

0

Question 7

26/85

32/85

18/85

9/58

Question 8

1/13

1/4

1/2

1/26

User

Question Analysis

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