3. A company that makes computers has a computer with an average download speed of 87.2 Mbps. The company is in the process of making a new computer with hopes of a greater download speed. The company test 40 new computers and got an average of 91.4 Mbps with a sample standard deviations = 12.9 Mbps. State the p-value and perform the test using the p-value approach with a level of significance of 1%.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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3. A company that makes computers has a computer with an average download speed of 87.2 Mbps.
The company is in the process of making a new computer with hopes of a greater download speed.
The company test 40 new computers and got an average of 91.4 Mbps with a sample standard
deviation s = 12.9 Mbps. State the p-value and perform the test using the p-value approach with a
level of significance of 1%.
4. At a restaurant, each customer spends an average of $15.21 to eat. The restaurant is going to offer a
special in hopes that each customer will spend more money. The restaurant samples 30 randomly
selected people and got an average of $16.54 per customer with a standard deviation of s= 3.71.
State the p-value and perform the test using the p-value approach with a level of significance of 5%.
5. A university claims that the average starting salary for their graduates is $ 65,305. A high school
senior that is selecting a college to attend thinks that number is smaller and randomly selects 45
graduates of the university and got an average starting salary to be $ 62,592 with a sample standard
deviation s = 8,903. State the p-value and perform the test using the p-value approach with a level of
significance of 1%.
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Transcribed Image Text:3. A company that makes computers has a computer with an average download speed of 87.2 Mbps. The company is in the process of making a new computer with hopes of a greater download speed. The company test 40 new computers and got an average of 91.4 Mbps with a sample standard deviation s = 12.9 Mbps. State the p-value and perform the test using the p-value approach with a level of significance of 1%. 4. At a restaurant, each customer spends an average of $15.21 to eat. The restaurant is going to offer a special in hopes that each customer will spend more money. The restaurant samples 30 randomly selected people and got an average of $16.54 per customer with a standard deviation of s= 3.71. State the p-value and perform the test using the p-value approach with a level of significance of 5%. 5. A university claims that the average starting salary for their graduates is $ 65,305. A high school senior that is selecting a college to attend thinks that number is smaller and randomly selects 45 graduates of the university and got an average starting salary to be $ 62,592 with a sample standard deviation s = 8,903. State the p-value and perform the test using the p-value approach with a level of significance of 1%. https://www.teacherspayteachers.com/Store/My-Geometry-World
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