Mathematics, 27.03.2020 20:28 kayla32213
Ken went to the store for his mother. He spent $2.37 on groceries. His mother said he could spend 35¢ on candy. What was his change from a five dollar bill?
Answers: 2
Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
Mathematics, 21.06.2019 20:30, attp203
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.
Answers: 3
Ken went to the store for his mother. He spent $2.37 on groceries. His mother said he could spend 35...
Mathematics, 25.08.2019 02:50
Mathematics, 25.08.2019 02:50
Physics, 25.08.2019 02:50
Chemistry, 25.08.2019 02:50
English, 25.08.2019 02:50