The number of violent crimes committed in a day possesses a distribution with a mean of 4.8 crimes per day and a standard deviation of 2 crimes per day. a random sample of 100 days was observed, and the sample mean number of crimes for the sample was calculated. describe the sampling distribution of the sample mean.

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

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.