You have 100 dollars, and there is a dollar bill behind each door. you roll a 100 sided die 100 times, and you take the dollar behind the door on the die roll if the bill has not been taken already (e. g. you roll 16, then you take the dollar behind door 16 if you haven’t already taken it). what is your expected payoff?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Triangle xyz has vertices x(1,3), y(0,0)

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.