Mathematics, 02.07.2020 20:01 ToxicMonkey
The number of hours that a nine month old baby sleeps at night are normally distributed with a population standard deviation of 1.5 hours and an unknown population mean. A random sample of 22 nine month old babies is taken and results in a sample mean of 12 hours. Find the margin of error for a confidence interval for the population mean with a 90% confidence level.
Answers: 3
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The graph shown is the graph of which function?
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Mathematics, 21.06.2019 19:30, MariaIZweird7578
Combine the information in the problem and the chart using the average balance method to solve the problem.
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Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?
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Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?
Answers: 3
The number of hours that a nine month old baby sleeps at night are normally distributed with a popul...
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