Mathematics, 02.04.2020 16:55 cduke1919
A local high school track team claims that the average time it takes a member of their team to run one mile is 6.75 minutes, with a standard deviation of 1.25 minutes. Hank, a member of the track team, ran one mile in 6.5 minutes. Given that the data is approximately normal, standardize the times and find the area under the normal curve above the standardized time.
Answers: 1
Mathematics, 21.06.2019 19:50
Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4
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Mathematics, 21.06.2019 21:00
Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)
Answers: 3
Mathematics, 21.06.2019 21:10
Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?
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Mathematics, 21.06.2019 22:00
Which two undefined geometric terms always describe figures with no beginning or end?
Answers: 3
A local high school track team claims that the average time it takes a member of their team to run o...
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