1. The library set up a special bookshelf for math-interest books. There are 2 math-history books, 3 books on statistics, 2 books on number theory, and 2
books on geometry. If a student selects one book at random, what is the
probability of choosing a math-history book?
Statistics

How often do neap tides occur? a. about once a month b. about twice a month c. about once a year d. about twice a year

5. to comply with implementation requirements, shops must ensure that paint booth exhaust systems use efficient spray booth filters. a) 75% b) 100% c) 50% d) 98%

Heights of men on a baseball team have a bell-shaped distribution with a mean of 177 cm and a standard deviation of 6 cm. using the empirical rule, what is the approximate percentage of the men between the following values? a. 159 cm and 195 cm b. 165 cm and 189 cm a. 89% of the men are between 159 cm and 195 cm. (round to one decimal place as needed.) b. 89% of the men are between 165 cm and 189 cm. (round to one decimal place as needed.)