Mathematics, 14.05.2021 02:30 kiaramccurty
It has been observed that some persons who suffer acute heartburn, again suffer acute heartburn within one year of the first episode. This is due, in part, to damage from the first episode. The performance of a new drug designed to prevent a second episode is to be tested for its effectiveness in preventing a second episode. In order to do this two groups of people suffering a first episode are selected. There are 45 people in the first group and this group will be administered the new drug. There are 75 people in the second group and this group will be administered a placebo. After one year, 12% of the first group has a second episode and 14% of the second group has a second episode. Conduct a hypothesis test to determine, at the significance level 0.1, whether there is reason to believe that the true percentage of those in the first group who suffer a second episode is less than the true percentage of those in the second group who suffer a second episode.
A. [ z < -1.65, RHo].
B. [ z < -1.65 and z > 1.65, FRHo].
C. [z > 1.65, FRHo].
D. [z < -1.65 and z > 1.65, FRHo].
E. [z > -1.65 and z < 1.65, RHo].
F. None of the above.
Answers: 3
Mathematics, 21.06.2019 13:50
Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point
Answers: 2
Mathematics, 21.06.2019 18:30
Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.
Answers: 1
Mathematics, 21.06.2019 20:00
Put the equation in slope intercept form by solving for y
Answers: 2
Mathematics, 21.06.2019 22:30
What is the approximate value of x in the equation below.–3.396–0.7080.3040.955
Answers: 1
It has been observed that some persons who suffer acute heartburn, again suffer acute heartburn with...
History, 30.01.2020 13:47
Mathematics, 30.01.2020 13:47
Mathematics, 30.01.2020 13:47
English, 30.01.2020 13:47
Mathematics, 30.01.2020 13:47
Biology, 30.01.2020 13:47
History, 30.01.2020 13:47
History, 30.01.2020 13:47
History, 30.01.2020 13:47
History, 30.01.2020 13:47
English, 30.01.2020 13:47
Mathematics, 30.01.2020 13:47
Chemistry, 30.01.2020 13:47
Arts, 30.01.2020 13:47
Spanish, 30.01.2020 13:47
Biology, 30.01.2020 13:47