1.
P(µ – σ≤x≤µ + σ)=_________?

2.
For a normal distribution having µ = 241 and σ = 2 P (X≥235) is:_______?

3.
Normal distribution has ____shaped?

4.
The equation of standard normal distribution is f(z)=________?

5.
In normal distribution u2 = S2 and u4 =___________?

6.
The quartile deviation is ____ (S.D.) is normal dist?

7.
Normal distribution has ______ parameter?

8.
Normal distribution is a probability distribution of _____ random variable?