What is the average increase in stock prices after a positive earnings report? A researcher randomly selected ten stocks that recently reported positive earnings. The before and after prices for each of these stocks are shown below. Stock Prices Before and After a Positive Earnings Report Before 19.92 28.79 26.5 30.39 15.91 40.93 59.63 37.25 25.07 20.82 After 25.87 34.27 25.48 45.36 26.09 46.51 58.46 43.31 36.87 32.03 Assume both follow a Normal distribution. For this study, we should use t-interval for the difference between two dependent population means : Part 2 of 3 Compute the 99% confidence interval for the difference. Round to the nearest minute.

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A: Disclaimer: As the question has multiple parts, only first three will be answered.   The easiest and…

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A: Cycle is defined as a path that start and end at the same vertex.

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.