MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Axiomatic Approach

The probabili...

Question

The probability that an event happen in one trial is $0.8.$ The probability that the event happens at least once in three trails is

A

0.896

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

0.791

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

0.642

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

0.992

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is A $0.992$
$P r o b a b i l i t y t h a t e v e n t h a p p e n s i n o n e t r i a l = 0.8 P r o b a b i l i t y t h a t e v e n t o c c u r s a t l e a s t o n c e i n t h r e e t r i a l s = 1 - p r o b a b i l t y t h a t i t d o e s e n^{'} t o c c u r s i n a n y o f t h e t h r e e t r i a l s = 1 - 0.2 * 0.2 * 0.2 = 0.992$

Suggest Corrections

thumbs-up

0

Similar questions

Q. The probability that an event A happens in one trial of an experiment is

0.4

. Three independent trails of the experiment are performed. The probability that event A least once is

Q. The probability that an event does not happen in one trial is

0.8

. The probability that the event happens atmost once in three trials is

Q. The probability of happening an event

A

in one trial is

0.4

. The probability that the event

A

happens atleast once in three independent trials is

Q. The probability of an event happening in one trial of an experiment is 0.6. Three independent trial are made. The probability that the event happens at least once is:

Q. The probability that an event

A

happens in one trial of an experiment is

0.4

.Three independent trials of the experiment are formed. The probability that the event

A

happens at least once is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Defining Probability

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Axiomatic Approach

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon