The random variable Y follows a normal distribution with mean µ and variance σ 2 , i.e. Y N(µ, σ2 ). Suppose we have the
Posted: Thu Jul 14, 2022 4:51 pm
The random variable Y follows a normal distribution with mean µand variance σ 2 , i.e. Y N(µ, σ2 ).
Suppose we have the following information: P(X ≤ 66) = 0.0421and P(X ≥ 81) = 0.1298
(a) Compute the value of σ = 5 (10 marks)
(b) Calculate P(65 ≤ X ≤ 74) (10 marks)
Suppose we have the following information: P(X ≤ 66) = 0.0421and P(X ≥ 81) = 0.1298
(a) Compute the value of σ = 5 (10 marks)
(b) Calculate P(65 ≤ X ≤ 74) (10 marks)