MEDIUM
9th CBSE
IMPORTANT
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Three coins are tossed 200 times, and we get three heads 39 times; two heads 58 times; one head 67 times; 0 head 36 times. When three coins are tossed at random, what is the probability in decimals (correct up to two places) of getting 0 head?

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Important Questions on Probability

MEDIUM
9th CBSE
IMPORTANT

Three coins are tossed 200 times and we get, three heads: 39 times; two heads: 58 times; one head: 67 times; 0 head: 36 times. 

When three coins are tossed at random, what is the probability in decimals ( correct up to two places) of getting 2 heads?

EASY
9th CBSE
IMPORTANT

A die is thrown 300 times and the outcomes are noted as given below.

Outcome 1 2 3 4 5 6
Frequency 60 72 54 42 39 33

When a die is thrown at random, what is the probability in decimals ( correct up to two places) of getting a 3?

EASY
9th CBSE
IMPORTANT

A die is thrown 300 times and the outcomes are noted as given below.

Outcome 1 2 3 4 5 6
Frequency 60 72 54 42 39 33

When a die is thrown at random, what is the probability in decimals (correct up to two places) of getting a 6?

EASY
9th CBSE
IMPORTANT

A die is thrown 300 times and the outcomes are noted as given below.
 

Outcome 1 2 3 4 5 6
Frequency 60 72 54 42 39 33

When a die is thrown at random, what is the probability in decimals (correct up to two places) of getting a 5?

EASY
9th CBSE
IMPORTANT
A die is thrown 300 times and the outcomes are noted as given below:
Outcome 1 2 3 4 5 6
Frequency 60 72 54 42 39 33

When a die is thrown at random, what is the probability in decimals (correct up to one place) of getting a 1?

EASY
9th CBSE
IMPORTANT
In a survey of 200 ladies, it was found that 142 like coffee, while 58 dislike it. Find the probability that a lady chosen at random likes coffee correct upto two decimals.
MEDIUM
9th CBSE
IMPORTANT

In a survey of 200 ladies, it was found that 142 like coffee, while 58 dislike it. Find the probability in decimals (correct up to two places) that a lady chosen at random dislikes coffee.

MEDIUM
9th CBSE
IMPORTANT

The percentages of marks obtained by a student in six unit tests are given below.

Unit test I II III IV V VI
Percentage of mark obtained 53 72 28 46 67 59

A unit test is selected at random. Find the probability that the student gets more than 60% marks in the test in the simplest form.