Question

Use the body table to find the specified z-number. (Enter your answers to two decimal places.)...

Use the body table to find the specified z-number. (Enter your answers to two decimal places.)

(a)    z0.0319


(b)    z0.2517


(c)    z0.4505


(d)    z0.4936

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Answer:- we use standardized Z table to find the Z value

A) Z0.0319

P( -0.08 <Z < 0) or P(0< Z < 0.08) =0.0319

Specified Z number is - 0.08 and 0.08

B) Z0.2517

P( -0.68 < Z< 0) or P( 0< Z < 0.68) = 0.2517

Specified Z number is -0.68 and 0.68

C) Z0.4505

P( - 1.65 < Z <0) or P(0 < Z < 1.65) = 0.4505

Specified Z number is -1.65 and 1.65

D) Z0.4936

P( -2.49 < Z < 0) or P( 0 < Z < 2.49)= 0.4936

Specified Z number is -2.49 and 2.49

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