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The capacity of an elevator is 8 people or 1232 pounds. The capacity will be exceeded if 8 people have weights with a mean greater than 1232/8=154 pounds. Suppose the people have weights that are normally distributed with a mean of 162 lb and a standard deviation of 28 lb. Find the probability that if a person is randomly selected, his weight will be greater than 154 pounds.
A graphic designer makes a presentation to clients and this results in sales of her services in 1/4 of the cases. Assuming the results for different clients are independent.
Empirical Research, Sampling Methods and Reliability - Identify a business research and define the research questions for the identified problem or opportunity
thompson photo works purchased several new highly sophisticated processing machines. the production department needed
When performing a hypothesis test, you must make an assumption inorder to perform it. Assume that the hypothesis you are testing (the nullhypothesis) is true. This assumption allows you to calculate the probability ofthe test results. You then use th..
A friend has offered to play a gambling game with you that involves flipping a coin that he has provided. Since a flip of heads will be to his advantage, you want to test the coin for fairness before you begin to play. Your friend is willing to..
What is the probability that a customer will receive his meal in less than 10 minutes?
The mean sales per customer µ for all of the sales for your company last month is not known. Based on your past experience, you are willing to assume that the population standard deviation of sales, σ, is about $220. If you take a random sample of 10..
1. During a promotion, Christina's department store offers a mailing "scratch a winner - discount savings." After customers select the items they wish to purchase, they scratch their discount sticker from the mailing to determine the discount they wi..
question 1- search the internet and the articles database in the library for a real-life example of correlation. for a
Studio XYZ knows that their films made an average of $45 million on opening weekends from 2003 - 2007. Did Studio XYZ films do better than the industry as a whole? Use your results to decide. HINT - Our initial assumption would be that Studio XYZ mad..
Design and describe a computer-based simulation model
Home-school has become very popular in the united states, and many colleges try yo sttaract students from this group. evidence suggests that approximately 90% of all homeschooled children attend college. in order to check this claim, a random sample ..
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