Out of 30 questions, ahmad answered 12 of them incorrectly. what percent of the questions did he answer correctly?

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Find the solution set of this inequality. select the correct graph. |8x+16|> 16