From a random sample of 41 teens, it is found that on average they spend 31.8 hours each week online with a standard deviation of 3.65 hours. What is the 90% confidence interval for the amount of time they spend online e ...
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According to recent? study, 143 of 453 technology CEOs from around the world responded that technological advances will transform their business and 85responded that resource scarcity and climate change will transform th ...
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Ecolap Inc. (ECL) recently paid a $0.46 dividend. The dividend is expected to grow at a 12.50 percent rate. The current stock price is $49.72. What is the return shareholders are expecting?
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The height of 5th grade boys is normally distributed with mean μ=57 inches and standard deviation σ=2 inches. What is the probability that the height of a randomly selected 5th grade boy will be between 53 inches and 61 ...
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The revenue function R(x) and the cost function C9X) for a particular product are given. These functions are valid for the specified range of values. Find the number of units that must be produced to break even. R(x) =20 ...
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The blenders produced by a company have a normally distributed life span with a mean of 8.2 years and a standard deviation of 1.3 years. What warranty should be provided so that the company is replacing at most 10% of th ...
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Consider the following random sample of data: 8, 6, -6, 0, -9, 4, -1, 7, 6, 84 a) What is the standard deviation of the sample data? Round your response to at least 3 decimal places. b) If the outlier is removed, what is ...
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Find the z-score boundary that separates a normal distribution as described in each of the following: The lowest 20% of scores
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a) Merton Corporation has a 6 percent semiannual coupon bond which has 5 years until maturity, and the yield to maturity is 8 percent. (i) What interest (coupon) payments do bondholders receive each year? (ii) At what pr ...
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Consider the distribution of 17 numbers: 6,9,11,19,23,27,29,36,41,43,47,50,51,55,58,63,67 A distribution of medical data is Normal with Mean of 40 and Standard Deviation of 10; that is N(40,10) a. Betty's score is 5.17. ...
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