In a group of 20 males and 5 females, 10...

In a group of 20 males and 5 females, 10 males and 3 females ae service holders, What is the probability that a persons selected at random from the group, is a service holder, given that the selected person is a male?

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Model Test Set - 10
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UNITED BOOK HOUSE-Model Test Set - 4-Exercise

For any two events A1 and A2, show that P(A1 cap A2)lemin{P(A1),P(A2)...
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Show that if events A and B are independent, then so are A^c and B^c.
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In a group of 20 males and 5 females, 10 males and 3 females ae servic...
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The first two moments of a distribution about the value 5 are 3 and 25...
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What are the principal characteristics of an ideal average?
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If A.M and G.M of two positive real numbers are 25 and 15 respectively...
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Find the condition that the equation x^3 + bx^2 + cx +d =0 may have tw...
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If f(x) = 6x^3 + 4x^2 + 3x +2, find the values of f(-1), f (1/3) and f...
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Prove that logn(n + 1) > log(n + 1) (n + 2), for n > 1.
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Write the axiomatic definition of probability?
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A picnic is arranged to be held on a particular day. The weather forec...
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State and prove the theorem of compound probability.
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What do you mean by purchasing power of money?
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What do you mean by diagrammatic representation of data. Also write it...
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Write a short note on measures of central tendency.
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The first three moments of a distribution about the value 3 of a varia...
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Three boxes of the same appearance have the following proportions of b...
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Three boxes of the same appearance have the following proportions of b...
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For any two events A and B, show that max {P(A),P(B)} le P(A cup B) ...
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What is Life table?
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