Question

In a normal distribution, 100 percent of population lies within ±3σ of the mean * a)True b) False

Answer 1

Answer:

Given, mean of binomial distribution μ=np=25

We have ,Variance =σ2=npq

Now,  

0≤p<1  

and

0≤q≤1

⇒0≤npq≤np

⇒0≤σ2≤25

⇒−5≤σ≤5

But σ≥0  

∴0≤σ<5

σ∈[0,5)

Step-by-step explanation: