MEDIUM
AS and A Level
IMPORTANT
Earn 100

Find a, given that X~N(30,16) and that P(Xa)=0.8944.

Important Questions on The Normal Distribution

MEDIUM
AS and A Level
IMPORTANT
Find b, given that X~N(12, 4) and that P(Xb)=0.9599.
HARD
AS and A Level
IMPORTANT

Find d, given that X~N(17, 25) and that P(X>d)=0.0951.

(Write answer up to 2 decimal places)

HARD
AS and A Level
IMPORTANT

Find e, given that X~N(100, 64) and that P(X>e)=0.95.

(Write answer up to 2 decimal places)

HARD
AS and A Level
IMPORTANT

Find f, given that X~N(10, 7) and that P(fX<13.3)=0.1922.

(Write answer up to 1 decimal place)

HARD
AS and A Level
IMPORTANT

Find g, given that X~N(45, 50) and that P(gX<55)=0.5486.

(Write answer up to 1 decimal place)

HARD
AS and A Level
IMPORTANT

Find h, given that X~N(7, 2) and that P(8X<h)=0.216.

(Write answer up to 1 decimal place)

HARD
AS and A Level
IMPORTANT

Find j, given that X~N(20, 11) and that P(jX<22)=0.5.

(Write answer up to 1 decimal place)