Mathematics, 26.02.2020 04:34 bbyitskeke1242
CitiBank recorded the number of customers to use a downtown ATM during the noon hour on 32 consecutive workdays. 25 37 23 26 30 40 25 26 39 32 21 26 19 27 32 25 18 26 34 18 31 35 21 33 33 9 16 32 35 42 15 24 Click here for the Excel Data File (a) Use Excel or MegaStat to sort and standardize the data. What is the z-score for the following x value? (Round your answer to 2 decimal places. A negative amount should be indicated by a minus sign.) x value z-score 21 -0.81 (b) Based on the Empirical Rule, are there outliers? No Yes (c) What percent of the data fall within 1 standard deviation of the mean? Within 2 standard deviations of the mean? (Round your answers to 2 decimal places. Omit the "%" sign in your response.) Empirical Rule Percent in interval (68.26%) 22 % Percent in interval (95.44%) 31 %
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The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?
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If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?
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CitiBank recorded the number of customers to use a downtown ATM during the noon hour on 32 consecuti...
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