Mathematics, 17.08.2020 20:01 cassidy32504
Two researchers plan to construct a 99% confidence interval for the mean μ of a Normal population with (known) standard deviation σ. Researcher A will use a random sample of 50 individuals. Researcher B will use a random sample of 800 individuals. Then the margin of error for Researcher A's estimate is times that of Researcher B's estimate. Which number below correctly fills in the blank?
Answers: 1
Mathematics, 21.06.2019 16:50
Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?
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The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.
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Mathematics, 22.06.2019 02:50
Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.
Answers: 2
Two researchers plan to construct a 99% confidence interval for the mean μ of a Normal population wi...
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