Rahul notes the time when his bus has been coming for the last 11 days. 8 : 52 a . m . 8 : 48 a . m . 8 : 53 a . m . 8 : 59 a . m . 8 : 53 a . m . 8 : 49 a . m . 8 : 47 a . m . 8 : 46 a . m . 8 : 52 a . m . 8 : 57 a . m . 8 : 51 a . m . If Rahul reaches his bus stop at 8 : 55 , what is the probability that he has missed the bus?

Total events = 11 The time when Rahul could miss the bus if he reaches the bus stop by 8 : 55 : 8 : 52 , 8 : 48 , 8 : 53 , 8 : 49 , 8 : 47 , 8 : 46 , 8 : 52 , 8 : 51 So, number of possible events = 8 Probability = Possible events Total events = 8 11 Hence, we get the probability that Rahuk missed the bus is 8 11 , if he reached bus stop at 8 : 55 .

E M B I B E

START UP MATHEMATICS>Chapter 22 - Probability>REVIEW EXERCISES>Q 2

EASY

8th CBSE

IMPORTANT

Earn 100

A box has coupons numbered from $1 to 100$ . A coupon is picked. Find the probability that the number on the coupon is: a factor of $100$ .

Important Questions on Probability

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 22 - Probability>REVIEW EXERCISES>Q 3

A bag contains

6

red marbles,

9

white marbles,

5

green marbles. What is the probability that if one marble is taken out of the bag at random, it will be: Red

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 22 - Probability>REVIEW EXERCISES>Q 3

A bag contains

6

red marbles,

9

white marbles,

5

green marbles. What is the probability that if one marble is taken out of the bag at random, it will be: White

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 22 - Probability>REVIEW EXERCISES>Q 3

A bag contains

6

red marbles,

9

white marbles,

5

green marbles. What is the probability that if one marble is taken out of the bag at random, it will be: not green

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 22 - Probability>REVIEW EXERCISES>Q 4

If there is a spinning wheel with

3

-blue sectors,

1

-red sector and

1

-green sector of same size, what is the probability of getting a blue sector?

MEDIUM

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 22 - Probability>THINKING SKILLS>Q 1

Rahul notes the time when his bus has been coming for the last $11$ days.

$8 : 52 a . m .$	$8 : 48 a . m .$	$8 : 53 a . m .$	$8 : 59 a . m .$
$8 : 53 a . m .$	$8 : 49 a . m .$	$8 : 47 a . m .$	$8 : 46 a . m .$
$8 : 52 a . m .$	$8 : 57 a . m .$	$8 : 51 a . m .$