One of the authors received a credit card bill for 2,988, but it included a charge of 1,834 that was not valid. Find the values of the absolute and relative errors the absolute value is 1,834 what is the relative errors?
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Dom Grady just won the lottery and will receive annuity payments of $15,000 for each of the next 20 years, starting today (January 1, 2017). What is the present value of the annuity payments as of today, assuming a 8% in ...
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Among 22?- to 27?-year-olds, 32?% say they have called a talk show while under the influence of alcohol. Suppose seven 22 to 27?-year-olds are selected at random. ?(a) What is the probability that at least one has not ca ...
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During a certain week the mean price of gasoline was $2.719 a gallon. A ronadom sample of 32 stations is drwn. What is the probability that the mean price was between $2.695 and $2.716. Assume o=$0.048.
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Assume that X is a Poisson random variable with μ = 22. Calculate the following probabilities. (Do not round intermediate calculations. Round your final answers to 4 decimal places.) (Please explain how you solved t ...
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Suppose there is no inflation and an insurance company offers a contract that would pay $500,000 with certainty 50 years from now. What is the most that this contract would be worth today if: 1. The rate of interest is 7 ...
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A media rental store rented the following number of movie titles in each of these catagories: 160 horrors, 242 drama, 114 mystery, 308 romance, and 134 comedy. If a person selects a movie to rent, find the probability th ...
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Each of the following lists has an average of 50. For which one is the spread of the numbers around the average biggest?smallest? a. 0, 20, 40, 50, 60, 80, 100 b. 0, 48, 49, 50, 51, 52, 100 c. 0, 1, 2, 50, 98, 99, 100 Gu ...
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Consider taking a random sample from a N(µ,σ 2 ) distribution. Consider testing the hypothesis H0 : µ = 63 versus the alternative HA : µ 6= 63. Suppose that a random sample of size 16 is taken, σ is known to be 8, and th ...
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A random sample of 19 college? men's basketball games during the last season had an average attendance of 5,046 with a sample standard deviation of 1,753. a. Construct a 99?% confidence interval to estimate the average ...
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