In 1900, 4 percent of the u. s. population was aged 65 or older. that figure was 12.4 percent in 2000, and it is estimated that it will be 20.2 percent in 2050. which phrase refers to this change? a. the "american dream" b. the "graying of america" c. the "american melting pot" d. the "manifest destiny of america"

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.)

Asking questions when something is unclear is part of?

Which specimen would best be viewed using a compound light microscope?