Mathematics, 01.07.2020 22:01 juliannabartra
A national organization has been working with utilities throughout the nation to find sites for large wind machines that generate electricity. Wind speeds must average more than 19 miles per hour (mph) for a site to be acceptable. Recently, the organization conducted wind speed tests at a particular site. Based on a sample of 45 wind speed recordings (taken at random intervals), the wind speed at the site averaged 19.9 mph, with a sample standard deviation of 4.5 mph. To determine whether the site meets the organization's requirements, consider the test Ha: μ > 19, where μ is the true mean wind speed at the site. For a significance level of α = 0.01, do we reject the null hypothesis? Which of the following is an appropriate conclusion?
Answers: 3
Mathematics, 21.06.2019 13:00, Alexmills6093
Use the diagonals to determine whether a parallelogram with vertices u(2,−2), v(9,−2), w(9,−6), and x(2,−6) is a rectangle, rhombus, or square. give all the names that apply.
Answers: 3
Mathematics, 21.06.2019 16:00, AmbitiousAndProud
30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)
Answers: 3
A national organization has been working with utilities throughout the nation to find sites for larg...
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