Mathematics, 13.08.2019 04:20 Ancelingabaut
Aresearcher wonders if there an association between the incidence of colds and the amount of vitamin c taken. he recruits 88 volunteers and randomly assigns 31 of them to take 500 mg of vitamin c, 15 of them to take 1000 mg of vitamin c and the rest to take no vitamin c. at the end of the study, it was determined that 28 of the volunteers did not have any colds where 18 of them were in the 500 mg group and 5 of them were in the 1000 mg group. test the appropriate hypothesis at α = .05 .
Answers: 3
Mathematics, 21.06.2019 19:30
Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2
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Mathematics, 21.06.2019 23:30
Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons
Answers: 2
Mathematics, 22.06.2019 04:00
Avideo game enthusiast saved $750 to spend on a video game player and games. the player costs $400. the games costs $49 each. at most how many games can this enthusiast buy along the player
Answers: 1
Aresearcher wonders if there an association between the incidence of colds and the amount of vitamin...
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