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12/16/2017Print Test5/7Question 10Your answer is INCORRECT.Suppose you have a two sided hypothesis test, with a test statistic . Determine the p-valueand give the decision of this test. Use a 5% level of significance.Question 11Your answer is CORRECT.This is a written question, worth 15 points. DO NOT place the problem code on the answer sheet. Aproctor will fill this out after exam submission. Show all steps (work) on your answer sheet for full credit.Problem Code: 1162Assume the length in minutes for a phone conversation is a random variable with probability density function:Part a:Determine the value of .Part b:Determine the probability that the phone conversation last more than 15 minutes.Part c:Determine the expected length of a phone conversation.Part d:Find the variance and standard deviation of Part e:Determine the probability that the phone conversation will last within 2 standard deviations of the mean. .
12/16/2017Print Test6/7BONUS:Find . a) I have placed my work and my answer on my answer sheet.b) I want to have points deducted from my test for not working this problem.Question 12Your answer is INCORRECT.This is a written question, worth 12 points. DO NOT place the problem code on the answer sheet. Aproctor will fill this out after exam submission. Show all steps (work) on your answer sheet for full credit.Problem Code: 1213A soft-drink machine is regulated so that it discharges an average of 6.8 ounces per cup. If the amount of drink isnormally distributed with a standard deviation equal to 0.6 ounces, Part a:What is the probability that a cup will contain more than 7.72 ounces?Part b:What is the probability that a cup contains between 6.72 and 7.06 ounces?Part c:How many cups will overflow if 7.8-ounce cups are used for the next 1000 drinks?Part d:Below what value do we get the smallest 25% of the drinks?