Mathematics, 09.12.2019 21:31 queenlele
Suppose you are interested in investigating the factors that affect the prevalence of tuberculosis among intravenous drug users. in a group of 97 individuals who admit to sharing needles, 24 had a positive tuberculin skin test result; among 161 drug users who deny sharing needs, 28 had a positive test result.
is thare a significant difference in the proportion with a positive tuberculin skin test among those who admit to sharing needles versus those who deny sharing needles? a) is a one-sample or two-sample test more appropriate? why? b) state the null and alternative hypotheses. c) what is the most appropriate test to use? why? d) what are the assumptions of the test you selected? confirm that they are met.
Answers: 3
Mathematics, 21.06.2019 20:30, Trinhphuongtran
You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box
Answers: 2
Mathematics, 22.06.2019 00:30, PollyB1896
Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)
Answers: 2
Mathematics, 22.06.2019 01:30, exoticbunnylover123
If a sprinkler waters 1 over 12 of a lawn in 1 over 2 hour, how much time will it take to water the entire lawn? (5 points) 10 hours 6 hours 1 over 6 hour 7 over 12 hour
Answers: 1
Suppose you are interested in investigating the factors that affect the prevalence of tuberculosis a...
English, 09.04.2020 00:32
History, 09.04.2020 00:32