Question

Sketch the area under the standard normal curve over the indicated interval and find the specified area. (You can use the probability table or software. Round your answer to four decimal places.)

a) The area to the right of z = 1.35 is [a]

b) The are to the left of -0.47 is [b]

c) The are between z = -1.72 and z = 1.16 is [c]

Answer 1

The area to the right of z = 1.35 is 0.0885 and the area to the left of -0.47 is 0.3192.

How to compute the values?.

Given z = 1.35

= 1- P(z < 1.35)

= 1- 0.9115

= 0.0885

The area to the left of -0.47 will be:

= 1 - P(z < 0.47)

= 1 - 0.6808

= 0.3192

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