Mathematics, 12.08.2020 08:01 shrafe
To test the effectiveness of a new drug, a researcher gives one group of patients the new drug and
another group a placebo. Results are shown below:
Medication
Effective
Not effective
Active Drug
151
25
Placebo
12
33
Is the proportion of patients who showed effectiveness of active drug significantly higher than the
proportion of patients who showed effectiveness in placebo group? Use alpha=0.05.
The approximate z test statistic for this test can be:
Answers: 3
Mathematics, 21.06.2019 15:00
Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.
Answers: 3
Mathematics, 21.06.2019 16:30
Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?
Answers: 1
Mathematics, 21.06.2019 21:40
Use sigma notation to represent the following series for 9 terms.
Answers: 2
Mathematics, 21.06.2019 23:30
Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?
Answers: 2
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