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Simple and Compound Event

An event obta...

Question

An event obtained by combining two or more elementary events is called a _________ event.

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Solution

An event obtained by combining two or more elementary events is called a compound event.

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Q. Fill In The Blanks

A collection of two or more possible outcomes (elementary events) of a trial is called a ________ event.

Q. An event having only one outcome is called an elementary event. The sum of the probabilities of all the elementary events of an experiment is _____.

Q. Fill in the blanks:

(i) Probability of a sure event is ...............

(ii) Probability of an impossible event is ................

(iii) The probability of an event (other than sure and impossible event) lies between .................

(iv) Every elementary event associated to a random experiment has .............. probability.

(v) Probability of an event A + Probability of event 'not A' = ................

(vi) Sum of the probabilities of each outcome in an experiment is ................

Q. Events that consist of two or more single events are called compound events.

Three coins are tossed once. Describe the following events associated with this random experiment :

A = Getting three heads,

B = Getting two heads and one tail,

C = Getting three tails,

D = Getting a head on the first coin.

(i) Which pairs of events are mutually exclusive?

(ii) Which events arc elementary events?

(iii) Which events are compound events?

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