Mathematics
Why is tossing a coin considered to be a fair way of deciding which team should get the ball at the beginning of a football game?
Probability
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Answer
Tossing a coin is considered to be a fair way of deciding which team should get the ball at the beginning of a football game because it is an equally likely event, i.e, the probability of heads is which is the same as the probability of tails .
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Related Questions
Complete the following statements:
(i) Probability of an event E + Probability of the event ‘not E’ = ……………
(ii) The probability of an event that cannot happen is …………… . Such an event is called ……………
(iii) The probability of an event that is certain to happen is …………… . Such an event is called …………… .
(iv) The sum of the probabilities of all the elementary events of an experiment is …………… .
(v) The probability of an event is greater than or equal to …………… and less than or equal to …………… .
Which of the following experiments have equally likely outcomes? Explain.
(i) A driver attempts to start a car. The car starts or does not start.
(ii) A player attempts to shoot a basketball. She/he shoots or misses the shot.
(iii) A trial is made to answer a true-false question. The answer is right or wrong.
(iv) A baby is born. It is a boy or a girl.
Which of the following cannot be the probability of an event?
-1.5
15%
0.7
If P(E) = 0.05, what is the probability of ‘not E’?