Find Z if the area to the right of Z is 0.67 A) 0.9100 B) 0.0421 C) -0.4500 D) -0.390

Question

Question

Find Z if the area to the right of Z is 0.67

A) 0.9100

B) 0.0421

C) -0.4500

D) -0.390

math Statistics-And-Probability

Answer 1

Answer #1

SOLUTION:

Using standard normal table,

P(Z > z) =0.67

= 1 - P(Z < z) = 0.67

= P(Z < z) = 1 - 0.67

= P(Z < z ) = 0.33

z = -0.4500 ( using z table )

Answer 2

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