Question

A study of college football games shows that the number of holding penalties assessed has a mean of
2.3

penalties per game and a standard deviation of
1.1

penalties per game. What is the probability that, for a sample of
40

college games to be played next week, the mean number of holding penalties will be
2.45

penalties per game or less?
Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places.

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Which of the following points is collinear with (-2,1) and (0,3)

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.