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A coin is biased so that heads comes up ...

A coin is biased so that heads comes up thrice as likely as tails. For three independent tosses of a coin, what is the probability of getting at most two tails.

A

0.16

B

0.48

C

0.58

D

0.98

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • If three unbiased coins are tossed, then probability of getting at most two tails is

    A
    `(1)/(8)`
    B
    `(1)/(2)`
    C
    `(5)/(8)`
    D
    `(7)/(8)`

  • In a simultaneous toss of two coins, find the probability of getting two tails.

    A
    `(1)/(2)`
    B
    `(1)/(4)`
    C
    `(3)/(4)`
    D
    `(1)/(3)`

  • In tossing three coins at a time, what is the probability of getting at most one head ?

    A
    `3/8`
    B
    `7/8`
    C
    `1/2`
    D
    `1/8`

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    A coin is tossed once. Find the probability of getting a tail.

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