You may need to use the appropriate appendix table to answer this question A person must score in the upper 79 of t...

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Answer 1

Answer #1

In order for a person to be in the upper 7% of population , the probability is 93%

the Z score at 0.93 probability is 1.48 appox. as shown in the table below.

let the minimum score to qualify be X

X = mean + (standard deviation * Z score)

X = 130 + (15 * 1.48)

X = 152.2 appox,

therefore, a person must score atleast 152.2 in order to be in the top 7% of the population.

z .00 .01 .02 .03 .04 .05 .06 .07 08 .09 0.0 .5000.50405080 512051605199523952795319.5359 0. 1 5398 5438 5478 55175557 559656

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Answer 2

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