Question
Find the following probabilities for the standard normal random variable ?: (a) ?(−0.81≤?≤0.08)= (b) ?(−0.57≤?≤1.05)= (c)...
Find the following probabilities for the standard normal random variable ?:
(a) ?(−0.81≤?≤0.08)=
(b) ?(−0.57≤?≤1.05)=
(c) ?(?≤1.35)=
(d) ?(?>−1.26)=
HINT: The standard normal random variable has a mean of 0 and standard deviation of 1 and is represented by z.
Homework Answers
Answer #1
(a)
;
From standard normal distribution table
(b)
;
From standard normal distribution table
(c)
;
From standard normal distribution table
(d)
; From standard normal distribution table
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