Mathematics, 11.02.2021 22:40 graciemccain
A.
A physician with a practice is currently serving 300 patients. The physician would like to administer a survey to his patients to measure their satisfaction level with his practice. A random sample of 25 patients had an average satisfaction score of 8.1 on a scale of 1-10. The sample standard deviation was 1.8.
Construct a 99% confidence interval to estimate the average satisfaction score for the physician's practice. The 99% confidence interval to estimate the average satisfaction score is? (_,_) What assumption needs to be made for this analysis?
B.
A university would like to estimate the proportion of fans who purchase concessions at the first basketball game of the season. The basketball facility has a capacity of 3,600 and is routinely sold out. It was discovered that a total of 210 fans out of a random sample of 500 purchased concessions during the game. Construct a 95% confidence interval to estimate the proportion of fans who purchased concessions during the game.
The 95% confidence interval to estimate the proportion of fans who purchased concessions during the game is (_,_)
C.
Construct a 95% confidence interval to estimate the population proportion using the data below.
x=29
n=95
N=500
The 95% confidence interval for the population proportion is (_,_)
Answers: 2
Mathematics, 21.06.2019 15:30
After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30
Answers: 1
Mathematics, 21.06.2019 17:00
Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.
Answers: 2
Mathematics, 21.06.2019 18:00
Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2
Answers: 1
Mathematics, 21.06.2019 18:10
Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.
Answers: 2
A.
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