Mathematics, 15.04.2021 16:20 dayanaraa61
A humanities professor assigns letter grades on a test according to the following scheme. A: Top 12% of scores B: Scores below the top 12% and above the bottom 63% C: Scores below the top 37% and above the bottom 15% D: Scores below the top 85% and above the bottom 9% F: Bottom 9% of scores Scores on the test are normally distributed with a mean of 68 and a standard deviation of 7.6. Find the minimum score required for an A grade. Round your answer to the nearest whole number, if necessary.
Answers: 3
Mathematics, 21.06.2019 17:30
Which of the following is true for the relation f(x)=2x^2+1
Answers: 3
Mathematics, 21.06.2019 19:30
Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?
Answers: 2
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
Mathematics, 21.06.2019 22:00
The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score
Answers: 1
A humanities professor assigns letter grades on a test according to the following scheme. A: Top 12%...
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