Which of the following is an irrational number?
a) 2.8
b) 19
8NS
d) 781
A discounted ticket for a football game costs $12.50 less than the
original price p. You pay $63 for a discounted ticket. Write and solve an
equation to find the original price,
8EE
Determine whether the relation is a function.
-8-
8F

According to the data set, where should the upper quartile line of the box plot be placed?

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?