Chapter 7
Chapter 7 Assignment Saved Help Save & Exit Submit 1 1 The closing price of Schnur Sporting Goods Inc. common stock is uniformly distributed between $18 and $35 per share What is the probability that the stock price will be: a. More than $29? (Round your answer to 4 decimal places.) 12.5 points Probability eBook Prins References b. Less than or equal to $217 (Round your answer to 4 decimal places.) Probability Chapter 7 Assignment Saved Help Save & Exit Submit 2 "There is not just one normal probability distribution but rather a family of them." Is this statement is true? 12.5 points True or False Book Print True False References Chapter 7 Assignment Seved Help Save & Exit Sub 3 The mean of a normal probability distribution is 400; the standard deviation is 12. a. About 68% of the observations lle between what two values? 125 points Value 1 Value 2 BOOK Prim References b. About 95% of the observations lle between what two values? Value 1 Value 2 c. Practically all of the observations lie between what two values? Value 1 Value 2 Chapter 7 Assignment Seved Help Save & Exit Submit 4 Waiting times to receive food after placing an order at the local Subway sandwich shop follow an exponential distribution with a mean of 50 seconds. Calculate the probability a customer waits: a. Less than 30 seconds. (Round your answer to 4 decimal places.) 12.5 points Probability eBook Print References b. More than 115 seconds. (Round your answer to 4 decimal places.) Probability : c. Between 40 and 70 seconds. (Round your answer to 4 decimal places.) In Probability log d. Fifty percent of the patrons wait less than how many seconds? What is the median? (Round your answer to 2 decimal places.) Median seconds TT M Cass Syabu CMD2100-12001 Chapter 7 Assignment Help Save & Submit C 5 Customers experiencing tochnical difficulty with their internet cable service may call on BDO number for technical support. It takes the technicion between 18 seconds and 15 minutes to resolve the problem. The distribution of this support time follows the uniform distribution What are the values for a and in minutes? (Do not round your intermediate calculations. Round your answers to 1 decimal place.) 125 pot Butants ba. What is the mean time to resolve the problem? (Do not round your intermediate calculations, Round your answer to 2 decimal places) We In Ing Sed Help Save EX Chapter 7 Assignment Submit b-2. What is the standard deviation of the time? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) 5 Standard deviation 12.5 with Pre c. What percent of the problems take more than 5 minutes to resolve? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) |Panni d. Suppose we wish to find the middle 50% of the problem-solving times. What are the end points of these two times? (Do not round your intermediate calculations. Round your answers to 3 decimal places) OB) Endpoint 1 Endpoint 2 log
