Home
Class 12
MATHS
A fair coin is tossed repeatedly. If tai...

A fair coin is tossed repeatedly. If tail appears on first four tosses, then find the probability of head appearing on fifth toss.

Text Solution

Verified by Experts

Since the trials are independent, so the probability that head appears on the fifth toss does not depend upon previous results of the tosses. Hence, required probability is equal to probability of getting head, i.e., 1/2.
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY II

    CENGAGE ENGLISH|Exercise SOLVED EXAMPLES|21 Videos

  • PROBABILITY II

    CENGAGE ENGLISH|Exercise CONCEPT APPCICATION EXERCISE 14.1|5 Videos

  • PROBABILITY I

    CENGAGE ENGLISH|Exercise JEE Advanced|7 Videos

  • PROGRESSION AND SERIES

    CENGAGE ENGLISH|Exercise ARCHIVES (MATRIX MATCH TYPE )|1 Videos

Similar Questions

Explore conceptually related problems

A coin is tossed three times, if head occurs on first two tosses, find the probability of getting head on third toss.

If a coin is tossed n times, then find the probability that the head appears odd number of times.

If a coin is tossed four times then the probability of getting tails at least once is

Two coins are tossed together. Find the probability of gettig: two tails

A coin is tossed twice. Find the probability of getting: two tails

Two coins are tossed together. Find the probability of gettig: no tail

A coin is tossed 15 times, then find the probability that exactly 9 consecutive heads appears, is

Find the probability of getting head in a toss of one coin:

Find the probability of getting head in a toss of one coin:

A fair coin is tossed repeatedly. The probability of getting a result in fifth toss different from those obtained in the first four tosses is