Statistics: Hypothesis Testing – #29016

Question: PART ROUNDED TO WHOLE NUMBER AND THE REST TWO TO FOUR SIGNIFICANT DIGITS: A national scholarship program requires applicants to take an IQ test to determine eligibility for the scholarship. IQ scores are normally distributed with a ? of 100 and a ?? of 10. Using these data answer the following questions.

a. If a college admission office requires scores of at least the 60th percentile for admission, what is the cutoff score?

b. What is the probability of randomly selecting a “test taker” with a score

1) Greater than or equal 100?

2) Less than or equal 75?

3) Between 90 and 110?


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