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Test: Probability Class: 8th Mathematics

Category: Math

Description: Probability Class: 8th Mathematics

Keywords: Data Handling Class: 8th Mathematics

Relevant Website: https://www.youtube.com/channel/UCLo9T2XbM_rlwS2FNK4wF8Q

The probability of a sure event is 1.

True False

What is the formula for probablility of an event?

Number of favourable outcomes/ Number of total outcomes Number of total outcomes/ Number of favourable outcomes Number of favourable outcomes/ Number of non favourable oyutcomes None of these

A survey of 1150 families was conducted to know the number of boys in an area. Out of these, one family is chosen at random. Find the probability that the chosen family has 3 boys.

1/23 30/115 4/23 11/23

What is the probability of getting a red card from a well shuffled pack of cards?

1/4 1/2 3/4 1/5

What is the probability of getting a face card from a well shuffled pack of cards?

3/13 2/13 1/26 1/26

What is the probability of getting a red ace from a well shuffled pack of cards?

2/13 1/13 1/26 3/26

There is a spinning wheel which is divided into 7 equal sectors, 3 blue, 2 red, 1 green and 1 yellow sector. Find the probability of getting a blue sector.

3/7 2/7 1/7 7/7

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