Mathematics, 28.10.2019 22:31 chynaroyal19
An article in journal of american statistical association (1990,vol. 85, pp. 972-985) measured weight of 30 rats under experimentcontrols. suppose that there are 12 underweight rats.
a) calculate a 95% two-sided confidence interval on the trueproportion of rats that would show underweight from theexperiment.
b) using the point estimate of p obtained from the preliminarysample, what sample size is needed to be 95% confident that theerror in estimating true value of p is less than 0.02?
Answers: 2
Mathematics, 21.06.2019 18:00
Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5
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Mathematics, 21.06.2019 23:00
The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z
Answers: 2
Mathematics, 21.06.2019 23:30
In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.
Answers: 1
An article in journal of american statistical association (1990,vol. 85, pp. 972-985) measured weigh...
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