Mathematics, 14.12.2019 03:31 cxttiemsp021
Use the expression in the accompanying discussion of sample size to find the size of each sample if you want to estimate the difference between proportions of men and women who own smartphones. assume that you want 90% confidence that your error is no more than 0.05.
the sample should include how many men and how many women?
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The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base
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You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?
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Mathematics, 21.06.2019 20:30
Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.
Answers: 1
Use the expression in the accompanying discussion of sample size to find the size of each sample if...
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