A coin is tossed twice, what is the prob...

A coin is tossed twice, what is the probability that etleast one tail occurs?

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`3/4`

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NCERT GUJARATI-PROBABILITY-EXERCISE 16.3

Which of the following can not be valid assignment of probabilities fo...
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A coin is tossed twice, what is the probability that etleast one tail ...
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A die I thrown, find the probability of following events: (i) A prim...
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A card is selected from a pack of 52 cards. (a) How many points are ...
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A fair coin with 1 marked on one face and 6 on the other and a fair di...
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There are four men and six women on the city council. If one council m...
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A fair coin is tossed four times, and a person win Re 1 for each head ...
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Three coins are tossed once. Find the probability of getting (i) 3 h...
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If 2/11 Is the probability of an event, what is the probability of the...
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A letter is chosen at random from the word 'ASSASSINATION'. Find the p...
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In a lottery, a person chosen six different natural numbers at random ...
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Check whether the following probabilities P(A) and P(B) are consistent...
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Fill up the blanks in following table: P(A)" "P(B)" "P(A nn B" "P(A...
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Given P(A)=(3)/(5) and P(B)=(1)/(5) Find P(A or B), if A and B are mut...
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If E and F are events such that P(E)=(1)/(4),P(F)=(1)/(2) and P(E and ...
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Events E and F are such that P( not E or not F) =0.25, State whether E...
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A and B are events such that P(A)=0,42, P(B) =0.48 and P(A and B) =0.1...
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In Class XI of a school 40% of the students study Mathematics and 30% ...
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In an entrance test that is graded on the basis of two examinations, t...
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The probability that a student will pass the final examination in both...
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