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India
Class XI

Independent Events

Interactive practice questions

A coin is tossed twice.

a

Construct a tree diagram showing the results of the given experiment.

b

Use the tree diagram to find the probability of getting exactly 1 Head.

c

Use the tree diagram to find the probability of getting 2 heads.

d

Use the tree diagram to find the probability of getting no heads.

e

Use the tree diagram to find the probability of getting 1 Head and 1 Tail.

Easy
1min

An archer makes two attempts to hit a target, and the probability that he hits the target on any one attempt is $\frac{1}{3}$13.

Easy
< 1min

An experiment is conducted in which a coin is tossed three times.

Easy
4min

A bag contains four marbles - red, green, blue and yellow. Beth randomly selects a marble, returns the marble to the bag and selects another marble.

Easy
3min
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Outcomes

11.SP.P.1

Random experiments: Outcomes, sample spaces (set representation). Events: Occurrence of events, ‘not’, ‘and’ & ‘or’ events, exhaustive events, mutually exclusive events. Axiomatic (set theoretic) probability, connections with the theories of earlier classes. Probability of an event, probability of ‘not’, ‘and’ & ‘or’ events.

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