Mathematics, 30.06.2020 18:01 teresajohnson1523
Refer to the Scheer Industries example in Section 8.2. Use 6.83 days as a planning value for the population standard deviation.
a. Assuming 95% confidence, what sample size would be required to obtain a margin of error of 1 days (round up to the next whole number)?
b. Assuming 90% confidence, what sample size would be required to obtain a margin of error of 2.5 days (round up to the next whole number)?
Answers: 1
Mathematics, 21.06.2019 19:30
Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
Mathematics, 21.06.2019 19:40
The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.
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Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2
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Mathematics, 21.06.2019 21:00
Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?
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Refer to the Scheer Industries example in Section 8.2. Use 6.83 days as a planning value for the pop...
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