CameraIcon

SearchIcon

MyQuestionIcon

1

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

Standard Deviation about Mean

For a binomia...

Question

For a binomial distribution $n = 20, q = 0.75$ . The mean of the distribution is

A

10

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

B

15

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

C

5

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

D

20

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

Open in App

Solution

The correct option is D $5$
Mean $= n p$
and $p = 1 - q$
$= 0.25$
Hence,
Mean $= n p$
$= 0.25 (20)$
$= 5$

Suggest Corrections

thumbs-up

0

Similar questions

Q. In a binomial distribution, if n = 20 and q = 0.75, then write its mean.

Q. For a binomial distribution

n = 10

q = 0.4

, then its mean is

Q. If in a binomial distribution the mean is

20

, standard deviation is

\sqrt{15}

p =

Q. In a binomial distribution, the mean is

15

and variance of

10

. Then, parameter

n

Q. The mean of a binomial distribution is 20 and the standard deviation 4. Calculate the parameters of the binomial distribution.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Standard Deviation about Mean

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard Deviation about Mean

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon