10. For a standard normal distribution, find the area between z = -.67 and z =...

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10. For a standard normal distribution, find the area between z = -.67 and z =...

10. For a standard normal distribution, find the area between z = -.67 and z = +.15.

a. .4692

b. .3082

c. .9756

d. .7328

e. .7024

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Answer 1

Answer #1

Since normal distribution is symmetrical

Using z =-0.67 we get Probability of mean =0.2514
z =0.15 we get probability of mean =0.5596
Area between z =-0.67 to z =0.15
Area =0.5596-0.2514= 0.3082

Option b is correct option

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Answer 2

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