Mathematics, 21.12.2019 00:31, Mranthony4565
The average length of a certain species of butterfly is believed to be 0.75 inches. a researcher believes that actually the average length should be higher than what is believed. to test the hypothesis h 0: μ = 0.75 against h a: μ > 0.75, the researcher takes a sample of 36 butterflies and found that the mean from the sample is 0.65 inches and the sample standard deviation s=1.99 inches. what test should you use for this test? a. t-testb. z-test
Answers: 2
Mathematics, 21.06.2019 16:50, thegoat3180
The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?
Answers: 1
Mathematics, 21.06.2019 22:00, nijanicole164
Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.
Answers: 2
The average length of a certain species of butterfly is believed to be 0.75 inches. a researcher bel...
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