Mathematics, 15.04.2021 01:00 babyskitt
A random poll of 100 males and 100 females who were likely to vote in an upcoming election found that 55% of the males and 25% of the females
supported candidate Johnson. Call the population of males “Population 1” and the population of females “Population 2” while working these problems.
With 90% and 95% confidence levels, what are the confidence intervals for the difference in the percentage of males and females favouring Johnson among all likely voters?
Answers: 2
Mathematics, 21.06.2019 13:00, shaniqwakirkseyniqwa
Atriangle includes one angle that 72º. which pair could be the measures of the other two angles of the triangle? a. 9º, 9º b. 26º, 46º c. 53º, 55º d. 72º, 108º
Answers: 2
Mathematics, 21.06.2019 19:40, marshallmattah
Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297
Answers: 1
A random poll of 100 males and 100 females who were likely to vote in an upcoming election found tha...
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