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Probability
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India
Class VII

Probabilities as Rational Number

Lesson
Practice

Interactive practice questions

This spinner is spun.

A spinner is divided into eight equal sectors, each with a different color, and has a black arrow attach to its center. From the top-left and moving clockwise, the first sector is a purple sector, followed by a red sector, yellow sector, purple sector, blue sector, purple sector, yellow sector and finally, a red sector. The spinner has 3 purple sectors, 2 red sectors, 2 yellow sectors and 1 blue sector.
a

What is the chance it lands on purple?

b

What is the chance it lands on blue?

c

What is the chance it lands on yellow?

Easy
< 1min

The following dice is rolled.

Easy
< 1min

James watched cars drive past his house over five minutes. In this time $13$13 cars went by, and $10$10 of those cars were white.

What is the experimental probability of a car being coloured white?

Easy
< 1min

A coin was flipped $100$100 times with $51$51 tails recorded. What is the experimental probability of flipping tails with this coin? Give your answer in fully simplified form.

Easy
< 1min
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Outcomes

7.DH.DH.4

Feel of probability using data through experiments. Notion of chance in events like tossing coins, dice etc. Tabulating and counting occurrences of 1 through 6 in a number of throws. Comparing the observation with that for a coin.Observing strings of throws, notion of randomness.

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