subject
Mathematics, 14.06.2020 02:57 hannah1571

Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 4343 of the 4848 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 8989 of the 106106 subjects developed rhinovirus infections. Use a 0.010.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?
Answers: 1
question
Mathematics, 21.06.2019 16:20
Two lines parallel to the same plane are parallel to eachother
Answers: 1
question
Mathematics, 21.06.2019 18:00
Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75
Answers: 1
question
Mathematics, 21.06.2019 18:30
Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3
Answers: 3
You know the right answer?
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 4343 of the...
Questions
question
Social Studies, 20.03.2020 03:01
question
Biology, 20.03.2020 03:01
Questions on the website: 13722362