A bag contains 4 identical red balls and 3 identical black balls. The experiment consists of drawing one ball, then putting it into the bag and again drawing a ball What are outcomes of the experiment?

Open in App

Solution

Bag, 4 red balls (identical)
3 black balls (identical)

$∵$ A ball is drown in first attempt,
so elementary events is $S_{1}$ = {R, B}

Now, the ball will put into the hag and draw are again
$S_{2}$ = (R, B)

Thus, the sample space associated is
$S = S_{1} S_{2}$ = {RR, RB, BR, BB}

Suggest Corrections

Similar questions

How many outcomes does the experiment "drawing two balls from a bag" have if the bag contans 4 black balls, 4 white balls and 1 red ball?

A ball is picked from a bag containing blue balls and red balls, and then replaced into the bag. This experiment is performed 50 times. The result was 15 blue and 35 red. Find the probability of drawing (i) a blue ball (ii) a red ball. [2 MARKS]

Q. A bag contains 20 balls out of which X balls are red 1) if one ball is drawn at random from the bag what is the probability that it is not read (2) if 4 more red balls are put in the bag the probability of drawing a red ball will be 5/4 times the probability of drawing a red ball in First case , find the value of x

Q. A glass contains 4 red balls, 3 white balls, 2 yellow balls, 20 black balls. We are drawing one ball at random from the jar. The number of elements in the set of sample space of the above experiment if the balls of same color are not identical is

- -------- -

___

A bag contains 3 red and some Blue Balls. If the probability of drawing a blue ball is 4 times that of drawing a red ball .Find the number of blue balls in the bag.

Join BYJU'S Learning Program

A bag contains 4 identical red balls and 3 identical black balls. The experiment consists of drawing one ball, then putting it into the bag and again drawing a ball What are outcomes of the experiment?

Bag, 4 red balls (identical) 3 black balls (identical) ∵ A ball is drown in first attempt, so elementary events is S1 = {R, B} Now, the ball will put into the hag and draw are again S2 = (R, B) Thus, the sample space associated is S=S1 S2 = {RR, RB, BR, BB}

Bag, 4 red balls (identical)
3 black balls (identical)

$∵$ A ball is drown in first attempt,
so elementary events is $S_{1}$ = {R, B}

Now, the ball will put into the hag and draw are again
$S_{2}$ = (R, B)

Thus, the sample space associated is
$S = S_{1} S_{2}$ = {RR, RB, BR, BB}