A person writes 4 letters and addresses ...

A person writes 4 letters and addresses on 4 covers. If these letters are inserted in covers randomly then ....... is the probability that all letters are not in proper cover.

`(1)/(4)`

`(11)/(24)`

`(15)/(24)`

`(23)/(24)`

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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)

The probability of an event that student gets I, II and III grade in e...
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A person writes 4 letters and addresses on 4 covers. If these letters ...
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For events A and B P(bar(A cup B))= (1)/(6), P(barA)= (1)/(4) and P(A ...
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In a vessel there are 5 red and 2 green balls. One ball is selected at...
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One balanced coin is tossed. If two head comes up then two balanced di...
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Probability of independent events is P(A(i))= (1)/(i+1). Where i = 1, ...
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A man is known to speak truth 3 out of 4 times. He throws a die and r...
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A purse contains 4 copper and 3 silver coins while another purse conta...
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In the box there are a white and b black balls. Two persons A and B ta...
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Each element of the second order determinant is 1 and - 1 then ..........
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A coin is tossed 2n times. During the toss any person can't get head a...
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For events E and F if P(E) le P(F) and P(E cap F) gt 0 then …………
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The probability distribution of random variable X is as follows. ...
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Mean and variance of binomial distribution of random variance X are 4 ...
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