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In given Exercise, suppose Subway has carried out the study, using the sample size determined in that exercise, and 27.5% of the franchisees say they are pleased with their relationship with Subway. Construct and interpret the 95% confidence interval for the population percentage.
Exercise There were 904 new Subway Restaurants franchises opened during 2002. Suppose that Subway wished to survey a simple random sample of the new franchisees to find out what percentage of them were totally pleased with their relationship with the company. If Subway wanted to have 90% confidence in being within 3 percentage points of the population percentage who are pleased, how many of the new franchisees would have to be included in the sample?
city a has a mean family income of 65000 with a standard deviation of 2000. it also has proportion unemployed of .1. a
If an original set of measurements is made in inches and has mean of 36 and variance of 144, what will be the mean, variance, and standard deviation if:
Test the claim that for the adult population of one town, the mean annual salary is given by μ = $30,000.
below are five questions that might be found on questionnaires. comment on each as to whether it is a good question
Use the empirical rule to estimate the number of farms whose land and building values per acre are between $1100 and $1700.
Small bag of Skittles candies has following assortment: red (12), blue (5), orange (15), brown (0), green (16), and yellow (7). Create the probability distribution for x.
State the null and alternative hypotheses
the intelligence quilt ident test scores are normally distributed witha mean of 100 and a standard deviation of 15.
the mean incubation time for a type of fertilized egg kept at 100.3 f is 23 days. suppose that the incubation times are
if the government permanently increases the price of potato chips through a taxes how will the price change affect the
Consider a given geometric random variable. - Find the entropy of this random variable as a function of p .
The Minitab outputs displayed below were obtained from a regression analysis conducted to determine the relationship between income and age.
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