Mathematics, 27.05.2020 23:03, alessandrotabares
An experiment is designed to measure the time necessary for a robotic lens to adapt to reduced light. We have n=50 observations from the repeated experiments. The sample mean, X¯, was 6.32 seconds and the sample standard deviation, s, was 1.65 seconds. a. Using the central limit theorem, what approximate distribution does X¯−µ σ/√ n follow, where µ is the true population mean and σ is the true population standard deviation? b. Compute an approximate 95 percent confidence interval for the true average adaptation time (µ).
Answers: 1
Mathematics, 21.06.2019 19:30, kristofwr3444
Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?
Answers: 1
Mathematics, 21.06.2019 20:30, GreenHerbz206
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 1
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