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Use the Normal model N(100,16) describing IQ scores to answer the following. a) What percent ofpeople's IQs are expected to be over 75? b) What

Use the Normal model N(100,16) describing IQ scores to answer the following.

a) What percent ofpeople's IQs are expected to be over 75?

b) What percent ofpeople's IQs are expected to be under 90?

c) What percent ofpeople's IQs are expected to be between 108 and 128?

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