Of the last 60 people who went to the cash register at a department? store, 14 had blond? hair, 17 had black? hair, 25 had brown? hair, and 4 had red hair. determine the empirical probability that the next person to come to the cash register has redred hair.

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.