One member of the lockport high school will be chosen randomly for a trip over spring break. there are 900 students in the high school. there is a probability of 10% that the student chosen is in the band and the choir. if there are 45 members in the choir and 57 members in the band, what is the probability that the randomly-chosen student is in the choir or in the band, but not both? if necessary, round your answer to the nearest hundredth.

Write 17/20 as a decimal and as a percent.

The table shows population statistics for the ages of best actor and best supporting actor winners at an awards ceremony. the distributions of the ages are approximately bell-shaped. compare the z-scores for the actors in the following situation. best actor best supporting actor muequals42.0 muequals49.0 sigmaequals7.3 sigmaequals15 in a particular year, the best actor was 59 years old and the best supporting actor was 45 years old. determine the z-scores for each. best actor: z equals best supporting actor: z equals (round to two decimal places as needed.) interpret the z-scores. the best actor was (more than 2 standard deviations above more than 1 standard deviation above less than 1 standard deviation above less than 2 standard deviations below) the mean, which (is not, is) unusual. the best supporting actor was (less than 1 standard deviation below more than 1 standard deviation above more than 2 standard deviations below more than 1 standard deviation below) the mean, which (is is not) unusual.

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?