Refer to Exercise 4.70. An exclusive club wishes to invite those scoring in the top 10% on the College Boards to join.
a. What score is required to be invited to join the club?
b. What score separates the top 60% of the population from the bottom 40%? What do we call this value?
REFERENCE:
4.70 : The College Boards, which are administered each year to many thousands of high school students, are scored so as to yield a mean of 500 and a standard deviation of 100. These scores are close to being normally distributed. What percentage of the scores can be expected to satisfy each condition?
a. Greater than 600
b. Greater than 700
c. Less than 450
d. Between 450 and 600
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