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Supposing P(A cap B)>0, show that P(B ca...

Supposing `P(A cap B)>0`, show that `P(B cap C|A)=P(B|A)P(C|A cap B)`.

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If A and B are two events and P(B) ne 1 , prove that, P(A//B^(c ))=(P(A)-P(A cap B))/(1-P(B)) Hence, deduce that, P(A cap B) gt P(A) +P(B)-1 .

If P(A cap B)=5/13 , P(Acap B)^c =

If P(A)=(2)/(3), P(B)=(1)/(2), P(A cap B)=(1)/(6) , then find the value of P(A cap B) and P(A cup B)

In three sets, A,B, C, show that (A cap B)' = A' cup B' .

For any two events A and B, show that max {P(A),P(B)} le P(A cup B) le min{P(A) + P(B),1} Where A cup B, A cap B, max{P(A), P(B)} and min {P(A)+P(B),1} are the occurence of A and B, occurence of A and B both, maximum of P(A) and P(B): minimum of P(A) + P(B) and 1 respectively.

For any two sets A and B, prove that P(A cap B) = P(A) capP(B) where P(A) is the power set of A.

For any two events A and b prove that, P(A cap B ) le P(A) le P(A cup B ) le P(A) + P(B)

If P(A) = (3)/(4) and P(B) = (5)/(8), show that, ,(3)/(8)le P(A cap B ) le (5)/(8), Now if the value of P(A cap B) is taken to be (1)/(2) , calculate P(A^( c) cap B^( c)) .

For any three events A, B and C, prove that. P(A cup B cup C) = P(A) + P(B) + P( C)-P(Acap B) -P(BcapC) - P(CcapA) + P(Acap B cap C).

The probabilities of three events A,B,C are P(A) = 0.6, P(B) = 0.4 and P( C) = 0.5.If P(A cup B) = 0.8, P(A cap C) = 0.3 , P(A cap B cap C) = 0.2 and P(A cup Bcup C ) ge 0.85, show that, 0.2 leP(BcapC) le 0.35.

UNITED BOOK HOUSE-Model Test Set -3-Exercise
  1. If P(A + B) = 7/12 and P(A) = 1/3 for two independent events A and B, ...

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  2. If P(A - B) = 1/3, P(A) =1/2 and P(B)= 1/3 , calculate the probability...

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  3. Can two mutually exclusive events with positive probabilities be indep...

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  4. For three values a, (a+b)/2 and b(> a) find the value of range/sd.

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  5. What is coefficient of variation? State its uses.

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  6. What are the principal characteristics of an ideal average?

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  7. Suppose the least value (5) of a set of 50 values is changed to 4. Wha...

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  8. Find the condition that the equation x^3 - px^2 + qx -x = 0 should hav...

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  9. Find the remainder when x^5+ 5x^4 + x^3 + 5x^2 + 2x + 11 is divided by...

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  10. Write a short note on interpolation.

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  11. State Fermat’s theorem. Also prove that /\log f(x) = log [1 +(/\ f(x))...

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  12. Show that P(B)>0, then P(A1 cup A2|B) = P(A1|B) + P(A2|B)-P(A1 cap A2|...

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  13. Supposing P(A cap B)>0, show that P(B cap C|A)=P(B|A)P(C|A cap B).

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  14. Ten telegrams are distributed at randam over 15 communication channels...

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  15. Write down uses of index numbers.

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  16. Write a short note on ‘measures of dispersion’.

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  17. Write a general formula expressing central moments in terms of raw mom...

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  18. The first of two urns contains 3 white and 2 black balls and 2 red bal...

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  19. The first of two urns contains 3 white and 2 black balls and 2 red bal...

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  20. A and B alternatively toss a fair coin. The first once to throw a head...

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