Bob won $800 at bingo last night. the first thing bob did was to take a cab to his mothers house. he gave the cab driver $20 and told him keep the change. bob gave his mother 1/3 of his remaining winnings and walked down the street to his aunts house. he gave 25% of his money he had left. lastly bob gave one sixth of what he had left to his best friend and kept the rest for himself. how much money did bob keep

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

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.