The New York Times article "Modern German Duty: The Obligation to Play" reports that "Germans work fewer hours per year than anybody else in the advanced industrial world—1,557 hours a year in the former West Germany, compared with 1,605 for France, 1,683 for Britain and more than 1,900 for the United States . . ."29

a. Find the difference in mean hours worked per year, Americans minus Germans, and divide by 40 to find approximately how many fewer workweeks there are for Germans.

b. Tell whether the variable for hours worked is explanatory or response, and whether it is quantitative or

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults. how many students and adults went if the ticket charge was $42.75

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.

Need plz been trying to do it for a long time and still haven’t succeeded