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.

Math   Statistics-And-Probability   
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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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