Mathematics, 23.07.2019 00:30 hdbvhf
In the largest clinical trial ever conducted, 401,974 children were randomly assigned to two groups. the treatment group consisted of 201,229 children given the salk vaccine for polio (the first sample), and the other 200,745 children were given a placebo (the second sample). among those in the treatment group, 33 developed polio and among those in the placebo group, 115 developed polio.
a. if we want to test the claim that the rate of polio is less for children given the salk vaccine, are the requirements for a hypothesis test satisfied?
b. identify the null hypothesis and the alternative hypothesis.
c. if the p-vale for the test is reported as βless than 0.001β, what should you conclude about the original claim?
Answers: 2
Mathematics, 21.06.2019 13:10
True or false? many triangular shapes can be circumscribed about a given circle
Answers: 2
Mathematics, 21.06.2019 18:30
Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.
Answers: 2
Mathematics, 22.06.2019 00:30
In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?
Answers: 3
Mathematics, 22.06.2019 03:00
Plz ! define the type of sequence below. -2,0,2,4,6 a. both arithmetic and geometric b. arithmetic c. neither arithmetic nor geometric d. geometric
Answers: 1
In the largest clinical trial ever conducted, 401,974 children were randomly assigned to two groups....
History, 13.03.2021 08:30
Biology, 13.03.2021 08:30
Mathematics, 13.03.2021 08:30
Biology, 13.03.2021 08:30
Physics, 13.03.2021 08:30
Mathematics, 13.03.2021 08:30
Mathematics, 13.03.2021 08:30
Biology, 13.03.2021 08:30
English, 13.03.2021 08:30
Biology, 13.03.2021 08:30
Mathematics, 13.03.2021 08:30
Mathematics, 13.03.2021 08:30
English, 13.03.2021 08:30
English, 13.03.2021 08:40
Mathematics, 13.03.2021 08:40