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Asked Jan 22, 2020
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In each of Exercises, assume that the variable under consideration has a density curve. Note that the answers required here may be only approximately correct.

The area under the density curve that lies to the right of 15 is 0.324. What percentage of all possible observations of the variable

a. exceed 15?
b. are at most 15?

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Expert Answer

Step 1

Given

The area under the density curve that lies to the right of 15 is 0.324

Percentage of observations that exceed 15 is given by

a)

P(X > 15) = 0.326

Percentage = 0.326 x 100 = 32.6 %

b)

P...

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