Mathematics, 20.12.2019 06:31, 12345678954
Suppose that college faculty with the rank of professor at two year institutions earn an average of $52,500 per year with a standard deviation of $4,000. in an attempt to verify this salary level, a random sample of 60 professors was selected from a personnel database for all two-year instituations in the united states
c) calculate the probability the sample mean x-bar is greater than $55,000.
d) if you drew a random sample with the mean $55,000 would you consider this sample unusual? what conclusions might you draw?
Answers: 1
Mathematics, 21.06.2019 15:20, gibbss80stu
Find the image of a(4, -2) after it is reflected over the line y= 2, then reflected over the line x = 2. (-8,6) o (0.-2) o (0,6) (-8, -2)
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Mathematics, 21.06.2019 22:00, harry5112
Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250
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Mathematics, 22.06.2019 02:00, teagan1716
Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is
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Mathematics, 22.06.2019 02:00, nininichole431
Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?
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