Topics
Probability
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India
Class XI

Dependent Events

Lesson
Practice

Interactive practice questions

A bag contains the letters A, B, C, D and E. Two letters are randomly drawn out of the bag without replacement.

a

Construct a probabilty tree showing all possible outcomes:

b

Find the probability A is drawn followed by B drawn.

c

Find the probability that two A's are drawn.

d

Find the probability C is not drawn.

e

Find the probability that D is drawn.

f

Find the probability that E is drawn and B is not.

g

Find the probability that C or D is drawn?

h

Find the probability that neither C nor D are drawn.

Easy
6min

Buzz is dealing cards from a regular deck. How many possible outcomes are there if he deals one card each to:

Easy
2min

A carton contains a dozen eggs, of which $4$4 contain no yolk.

If $3$3 eggs are chosen at random for a cake, what is the probability that they all have no yolk?

Easy
2min

A class contains $5$5 girls and $6$6 boys. Two are selected for a class committee. What is the probability that a girl and boy are selected?

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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