Mathematics, 19.12.2019 01:31 sarahmckee69
Show each step of your solution for credit. clearly indicate your final answer. a study designed to evaluate the effect of the herbal remedy echinacea purpurea randomly assigned healthy children 2 to 11 years old to receive either echinacea or a placebo. each time a child had an upper respiratory infection treatment with echinacea or the placebo was given for the duration of the infection. parental assessment of the illness severity was measured. the following are the counts from the study: groupparental assessment echinacea placebomild 153 170moderate 128 157severe 48 40calculate the ฯ^2 statistic. (3 points)determine whether the results are significant at the ฮฑ=0.05 level. (3 points)would you advocate for the use of echinacea in order to reduce the severity of upper respiratory infections? why or why not? (3 points)
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Mathematics, 20.06.2019 18:04
With math question will mark brainliest question in the pic.
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Mathematics, 21.06.2019 19:10
Which situation can be modeled by the inequality 5 + 10w โฅ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.
Answers: 3
Show each step of your solution for credit. clearly indicate your final answer. a study designed to...
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