Mathematics, 04.08.2019 07:30 kiylabeasty7302
Men and women (ages 22–40) were surveyed to choose a favorite free-time activity: playing sports, dancing, or watching movies/tv. the survey showed the following frequencies: men—playing sports: 11; dancing: 3; watching movies/tv: 6 women—playing sports: 5; dancing: 16; watching movies/tv: 9 which of the following is a correct two-way frequency table for the data? (2 points) select one: a. men and women leisure time activity preferences playing sports dancing watching movies/tv row totals men 0.22 0.06 0.12 0.12 women 0.10 0.32 0.18 0.60 column totals 0.32 0.38 0.30 1 b. men and women leisure time activity preferences playing sports dancing watching movies/tv row totals men 11 3 6 20 women 5 16 9 30 column totals 16 19 15 50 c. men and women leisure time activity preferences playing sports dancing watching movies/tv row totals men 0.55 0.15 0.30 1 women 0.17 0.53 0.30 1 column totals 0.32 0.38 0.30 1 d. men and women leisure time activity preferences playing sports dancing watching movies/tv row totals men 0.69 0.16 0.40 0.40 women 0.31 0.84 0.60 0.60 column totals 1 1 1 1
Answers: 1
Mathematics, 21.06.2019 16:00
Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?
Answers: 1
Mathematics, 21.06.2019 19:00
What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2
Answers: 1
Mathematics, 21.06.2019 20:30
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
Men and women (ages 22–40) were surveyed to choose a favorite free-time activity: playing sports, d...
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