7. Find the probability that a randomly selected adult has an IQ between 90 and 10...

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Question

Answer 1

Answer #1

Let the probability density functionofunction IQ in adults be given as $f_{IQ}$ .

So probability iq of randomly selected adult lies between 90 and 110 is given by fomula,

$\int_{90}^{110} f_{IQ}(x) dx$ .

We need to replace f by appropriate density/distribution given

Answer 2

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