test 3 Spring 20.pdf - Name Test 3 Spring 20 Open book Open...

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Name:................................Test 3 Spring 20Open book. Open notes. Closed everything else. Show all your work for full credit. 10 points a problemexcept when stated otherwise. For problems involving the normal distribution, draw the picture for fullcredit.1.What is the sampling distribution?State the Central Limit Theorem.2. Jan’s All You Can Eat Restaurant charges $8.95 per customer to eat. Past experience has shown thatits expenses per customer has a right skewed distribution with mean $8.20 and standard deviationof $3.(a) Draw the distribution ofX=expense per customer.(b) If the 100 customers on a particular day have the characteristics of a random sample, describethe distribution ofX= mean expense per customer.(c) Find the probability that the restaurant makes a profit that day.1

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