P(μ – σ≤x≤μ + σ)=________?

If a Binomial experiment is repeated ‘N’ times then binomial frequency distribution is. ________?

Another name of explanatory variable is________?

If an event consists of only one sample point is called ________?

G.M. of 2,4,8 is ________?

When we add the lower and upper class limits and dividing the sum by, the values so obtained are called class________?