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Suppose x has a normal distribution with σ = 6. a random sample of size 16 has sample mean 50. is it appropriate to use a normal distribution to compute a confidence interval for the population mean μ?
Answers: 3
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Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.
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Mathematics, 21.06.2019 21:30
Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?
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In the figure below, m∠r is 60°, and m∠t is 120°. what is m∠q? a. 60° b. 30° c. 120° d. 54
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Suppose x has a normal distribution with σ = 6. a random sample of size 16 has sample mean 50. is it...
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