Workers with a formal arrangement with their employer to be paid for time worked at home, worked an average of hours per week. A random sample of mortgage brokers indicated that they worked a mean of hours per week with a standard deviation of hours. At , is there sufficient evidence to conclude a difference? Construct a confidence interval for the true mean number of paid working hours at home. Compare the results of your confidence interval to the conclusion of your hypothesis test and discuss the implications.

Which of the following tables represents exponential functions?

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.