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Question: A college dean plans a student survey to estimate the percentage of currently enrolled students who plan to take classes during the next summer session. The desired margin of error for a 95% confidence interval is to be at most 5%. What is the necessary sample size?
the listing price of a random sample of two-year-old honda civics was obtained for four cities in the united states.
Construct a histogram and comment on the process.- What assumptions are necessary to test if the mean waiting time is less than 32 seconds?
a) What is the standard error of the mean increase in sales tax revenue collected? b) What happens to the accuracy of the estimate when the interval is constructed using the smaller sample size? c) Find and interpret a 95% confidence interva..
please answer the question in full provide any equations or diagrams used to come to your final answer.in the board
A high roller has come to the casino to play 300 games of craps.- After 300 games of craps, what is the probability that the casino will be behind more than $10?
The average gasoline price of one of the major oil companies has been $2,25 per gallon. Recently, the company has undertaken several efficiency measures in order to reduce prices. Management is interested in determing whether their efficiency meas..
You do not round down to 20 just because it is closer, because you want a sample size that gives standard error to be no more than 0.2 cm.
Find the expected value when you pick 4 and when you pick 5, betting $1 each time. Based on your results from parts a and b, are you better off picking 4 numbers or picking 5? Explain your reasoning.
a.) Formulate and LP model for this problem with the objective of minimizing the probability of having a profit that is less than $1,600,000? b.) Paste screen shots of your model with formulas, solutions and your solver setting.
The US energy administration publishes data on residential energy consumption and expenditures in residential consumption survey: consumption and expenditures.
in the test of a certain hypothesis the p-value corresponding to the test statistic is 0.0316. can the null hypothesis
A company tracks satisfaction scores based on customer feedback from individual stores on a scale of 0 to 100. The following data represents the customer scores from Stores 1 and 2.
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