Lurinda ordered some boxes of greeting cards online. the cost of the cards is $6.50n plus $3 where n is the number of boxes and $3 is the shipping and handling charge. how much will lurinda pay if she orders 8 boxes of cards?

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt