Question

Asked Dec 18, 2019

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The IQ scores of adults are normally distributed with a mean of 100 and a standard deviation of 15. If a group of 64 adults are randomly selected, what is the probability that their mean IQ will be at least 95?

- 0.3707
- 0.9962
- 0.6306
- correct answer is not given

Step 1

Consider *X* be a random variable which follows normal distribution indicating the IQ scores of adult...

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