Binomial Distribution - 10 - To find n, p and q of Binomial Distribution from its Mean and Variance

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How to find n, p and q of a binomial distribution when its mean and variance or SD are known?

Case / Question:
(A) "For a Binomial Distribution mean is 7 and variance is 11" - Comment.

(B) The mean and variance of a Binomial Distribution are 15 and 6 respectively. Find n, p and q.

#Statistics #Binomial #Distribution #Mean #Variance #Standard #Deviation #Probability

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Комментарии
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Thanks very much sir for this video is very helpful for me in exam.

srjvideosnjoy
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I didnt read anywhere about npq/np=q, but it works.

osamakhaan
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Thank you very much sir. Very snappy dresser if i dare say so, sir.

legolad
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plz solve this
Create the mathematical model of the following communication system problem and compute the desired result
using MATLAB software.
There are 100 people who want to connect to a certain communication system through k channels. The
probability that a person wants to connect to this system is 0.80. A channel can only be used by one person for
communication purpose at a given time. A connection failure occurs if a person wants to connect to the system
but all the channels are occupied by other users. What is the minimal value of variable k if the probability for
connection failure is less than 1%? (Hint: Random variable X follows Binomial distribution in this problem)

usmanshaukat
Автор

How to find p and n when mean and standard deviation is given

Kidsworld
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plz solve
Create the mathematical model of the following communication system problem and compute the desired result
using MATLAB software.
There are 100 people who want to connect to a certain communication system through k channels. The
probability that a person wants to connect to this system is 0.80. A channel can only be used by one person for
communication purpose at a given time. A connection failure occurs if a person wants to connect to the system
but all the channels are occupied by other users. What is the minimal value of variable k if the probability for
connection failure is less than 1%? (Hint: Random variable X follows Binomial distribution in this problem)

usmanshaukat