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A fast food restaurant has been considering dropping the pickles from its burgers. There is some sentiment that the ubiquitous pickle adds to the cost of the sandwich, but most people remove them anyway. The CEO decides that if we can be reasonably certain more than two-thirds of customers remove the pickle, then the pickle should no longer be placed on the sandwich (except by request). The operation manager was enlisted to spy on a random sample of one thousand customers. He found that 70 percent removed the pickle.
If the management wants to use confidence interval concept, to decide what they should do:
In what percentage of confidence level below that we can NOT be sure that more than two-thirds of customers remove the pickle?
The Hyatt Gold Passport is a card designed to allow frequent guests at Hyatt hotels to enjoy privileges similar to the ones enjoyed by frequent air travelers.
Use the Kolmogorov-Smirnov test with significance level 0.05 to decide whether the following lifetimes (in days) of a sample of cancer bearing mice.
80% of the values are between what two X-values ( symmetrically distributed around the mean)
what do you conclude if 50000 people respond to an nbc news survey in which tv viewers were asked to a call a toll-free
the financial industry earnings per share last year were 3. this year earnings per share in 10 financial companies were
Why is it important to reduce risk in a project? Discuss how the financial aspects of a project are interrelated to risk assessment.
in order to determine any difference between the average daily sales of two branches of a department store the data
Compute the standard deviation, range and coefficient of variation from the data in the table for each bank - Draw a box and whisker plot for the annual dividen
If a company manufactures clothing and their quality control department measures weekly values of different plant for the percentage difference of waste
Evaluate the hypothesis that this new steroid hormone decreases blood glucose levels. Use an a-level of 0.05 for this analysis.
Biology and Environmental Science During Spring 2013, a huge population of 17-year cicadas emerged from the ground on the East Coast of the United States.
Many people do not "like" or "trust" single point estimates for things they need measured.
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