Mathematics, 27.11.2019 01:31, naomicervero
Lois thinks that people living in a rural environment have a healthier lifestyle than other people. she believes the average lifespan in the usa is 77 years. a random sample of 12 obituaries from newspapers from rural towns in idaho give x¯=81.03 and s=1.53. does this sample provide evidence that people living in rural idaho communities live longer than 77 years?
(a) state the null and alternative hypotheses: (type "mu" for the symbol μ , e. g. mu > 1 for the mean is greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1) h0 : ha:
(b) find the test statistic, t =
Answers: 3
Mathematics, 20.06.2019 18:04, decoreyjpaipxv
To show that polygon abcde is congruent to polygon fghij, a must be used to make the two polygons coincide. a sequence of two transformations that can be used to show that polygon abcde is congruent to polygon fghij is .
Answers: 1
Mathematics, 21.06.2019 22:30, jedsgorditas
Collin did the work to see if 10 is a solution to the equation r/4=2.4
Answers: 1
Lois thinks that people living in a rural environment have a healthier lifestyle than other people....
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