MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Suppose that the quarterly sales levels among health care information systems companies are approximately
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- Suppose that wedding costs in the Caribbean are normally distributed with a mean of $6000 and a standard deviation of $975. Estimate the percentage of Caribbean weddings that costarrow_forwardSuppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 8 million dollars and a standard deviation of 1.1 million dollars. One health care information systems company considers a quarter a "failure" if its sales level that quarter is in the bottom 20% of all quarterly sales levels. Determine the sales level (in millions of dollars) that is the cutoff between quarters that are considered "failures" by that company and quarters that are not. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place. million dollars Xarrow_forwardSuppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 8 million dollars and a standard deviation of 1.3 million dollars. One health care information systems company considers a quarter a "failure" if its sales level that quarter is in the bottom 10% of all quarterly sales levels. Determine the sales level (in millions of dollars) that is the cutoff between quarters that are considered "failures" by that company and quarters that are not. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place. B million dollars X. 5. O Check tab esc ! 1 9. a @ N 2 W S # 3 e Q d $ 4 r % ла 5 f t acer Oll A 6 g y & 0 7 h 0 Marrow_forward
- The final exam is worth 200 points with the usual 10% grading scale. Assume that the final exam scores are normally distributed with the mean of 161 points and the standard deviation of 22. Find the final exam score that represents the 77th percentile.arrow_forwardA set of elementary school student heights are normally distributed with a mean of 105 centimeters and a standard deviation of 5 centimeters. What proportion of student heights are between 114 centimeters and 118 centimeters? You may round your answer to four decimal places.arrow_forwardSuppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 9 million dollars and a standard deviation of 1.2 million dollars. One health care information systems company considers a quarter a “failure” if it’s sales level that quarter is in the bottom 15% of all quarterly sales levels. Determine the sales level (in millions of dollars) that is the cutoff between quarters that are considered “failure” by that company and quarters that are not. Carry your intermediate computations to atleast four decimal places and round your answer to one decimal place.arrow_forward
- 13. Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 250 feet and a standard deviation of 50 feet. Find the range in which at least 68% of the data will lie. Use the Empirical Rule.arrow_forwardSuppose that the life-span of goldfish can be modeled by the Normal Distribution with a mean of 5 years and a standard deviation of 2.3 years. What is the life span of the 90th percentile of goldfish? Interpret this value. The 90th percentile is 7.95 years. This means that 90% of goldfish will have lifespans less than or equal to 7.95 years. The 90th percentile is 2.05 years. This means that 90% of goldfish will have lifespans greater than or equal to 2.05 years. The 90th percentile is 2.05 years. This means that 90% of goldfish will have lifespans less than or equal to 2.05 years. O The 90th percentile is 7.95 years. This means that 90% of goldfish will have lifespans greater than or equal to 7.95 years.arrow_forwardSuppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 11 million dollars and a standard deviation of 1.4 million dollars. One health care information systems company considers a quarter a "failure" if its sales level that quarter is in the bottom 10% of all quarterly sales levels. Determine the sales level (in millions of dollars) that is the cutoff between quarters that are considered "failures" by that company and quarters that are not. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place.arrow_forward
- Assume the annual day care cost per child is normally distributed with a mean of $6000 and a standard deviation of $1000. If an individual is paying more than 55% of all others who pay for day care, what minimum cost must this individual be paying for day care?arrow_forwardThe weights of men are normally with a mean of 172 pounds and a standard deviation of 29 pounds. What percentage of men weigh between 150 and 200 pounds?arrow_forwardSuppose that the quarterly sales levels among health care information systems companies are approximately normallydistributed with a mean of 11 million dollars and a standard deviation of 1.4 million dollars. One health care informationsystems company considers a quarter a "failure" its sales level that quarter is in the bottom 15% of all quarterly saleslevels. Determine the sales level (in millions of dollars) that is the cutoff between quarters that are considered "failures" bythat company and quarters that are not. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place.arrow_forward
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