Mathematics, 24.04.2020 16:07, Nessaboo916
A new disease has annihilating amphibian populations at unprecedented levels. Researchers has been trying to develop some treatment that can counteract the disease and save some of the amphibian populations. To test which of two potential solutions is more effective, they take a sample of frogs and randomly divide them into two groups. After being treated, 255 of the 400 frogs in group 1 ended up surviving exposure to the pathogen; 300 of the 482 frogs in the second group survived. For the following questions, calculate your difference in the order: group 1 - group 2. The standard error of the difference was 0.033. (a) What are the hypotheses they should test to see if the treatments given to the two groups have different effectiveness
Answers: 3
Mathematics, 21.06.2019 13:50, monaae3824
Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4
Answers: 1
Mathematics, 21.06.2019 17:00, averyeverdeen01
Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.
Answers: 3
A new disease has annihilating amphibian populations at unprecedented levels. Researchers has been t...
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