Home
Class 12
MATHS
The probability that an event A happens ...

The probability that an event A happens in one trial of an experiment, is 0.4 There independent trials of the experiments are performed. The probability that the event A happens atleast once, is

A

`0.936`

B

`0.784`

C

`0.904`

D

`None of these

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Required probability ltbrge1-P(The event does not happen in any trial)
`=1-(0.6)^(3)=0.784`
Promotional Banner

Topper's Solved these Questions

  • BINOMIAL DISTRIBUTION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Exercise 1 (Topical problems) (Mean and Variance|7 Videos

  • BINOMIAL DISTRIBUTION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Exercise 2 (MISCELLANEOUS PROBLEM) (Mean and Variance|32 Videos

  • APPLICATIONS OF DERIVATIVES

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET CORNER|21 Videos

  • CIRCLE AND CONICS

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise All Questions|74 Videos

Similar Questions

Explore conceptually related problems

The probability of an event that is sure to happen, is_____

The probability that an event does not happen in one trial is 0.8. The probability that the even happens atmost once in three trials is

If E is any event of a random experiment then the probability of the event E belongs to

The probability of happening an event A in one trial is 0.4. Find the probability that the event A happens at least one in three independent trials.

The probability of not happening of an event is 0.63 . The probability of happening of that events is