Which sample fairly represents the population? check all that apply. measuring the heights of every fiftieth person on the school roster to determine the average heights of the boys in the school b=calling every third person on the soccer team’s roster to determine how many of the team members have completed their fundraising assignment c=observing every person walking down main street at 5 p. m. one evening to determine the percentage of people who wear glasses d=sending a confidential e-mail survey to every one-hundredth parent in the school district to determine the overall satisfaction of the residents of the town e=taking a poll in the lunch room (where all students currently have to eat lunch) to determine the number of students who want to be able to leave campus during lunch

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

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.

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?