Question

A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is:

(i)    white
(ii)    not black
(iii)    neither white nor black
(iv)    red or white

Solution

Solution not provided.
Ans. $left parenthesis straight i right parenthesis space space 1 fifth space space space left parenthesis ii right parenthesis space space space 13 over 20 space space left parenthesis iii right parenthesis space 9 over 20 space space left parenthesis iv right parenthesis space 1 half$

Some More Questions From Real Numbers Chapter

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Real Numbers

A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is:

(i)    white
(ii)    not black
(iii)    neither white nor black
(iv)    red or white

Some More Questions From Real Numbers Chapter

The probability of an event that cannot happen is Such an event is called __.

The probability of an event that is certain to happen is Such an event is called _.

The sum of the probabilities of all the elemen-tary events of an experiment is ______.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Real Numbers

A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is: (i) white(ii) not black(iii) neither white nor black(iv) red or white

Some More Questions From Real Numbers Chapter

The probability of an event that cannot happen is ________ Such an event is called __________.

The probability of an event that is certain to happen is ________ Such an event is called _________.

The sum of the probabilities of all the elemen-tary events of an experiment is ______.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is:

(i) white
(ii) not black
(iii) neither white nor black
(iv) red or white

The probability of an event that cannot happen is Such an event is called __.

The probability of an event that is certain to happen is Such an event is called _.