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If r.vX ~B(n =5,P=(1)/(3)) then P(2gt ...

If ` r.vX ~B(n =5,P=(1)/(3))` then `P(2gt X gt 4)=`

A

`(80)/(243)`

B

`(40)/(243)`

C

`(40)/(343)`

D

`(80)/(343)`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • If r.vX ~B(n =5,P=(1)/(3)) then P(2lt X lt 4)=

    A
    `(80)/(243)`
    B
    `(40)/(243)`
    C
    `(40)/(343)`
    D
    `(80)/(343)`

  • If random variable X~B(n=5,P=(1)/(3)) , then P(2 lt X lt 4) is equal to

    A
    `(80)/(243)`
    B
    `(40)/(243)`
    C
    `(40)/(343)`
    D
    `(80)/(343)`

  • If p ^(2) + (1)/(p ^(2))= 1 ( p gt 1) then the value of p ^(3) + (1)/(p ^(3)) is :

    A
    1
    B
    2
    C
    3
    D
    0

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