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The question is:
A smaple of 50 la crosse school district teachers found that 72% had a summer job. Find each of of the following:
a. the variable of interest
b. what is the type of variable?
c. the population of interest
d. write a possible inference.
Please answer the question a to d.
In a poll of 553 voters in a certain city, 64% said the back a bill which would limit growth and development in their city. The margin of error in the poll was reported as 4 percentage points.
Four cards are selected, one at a time, from a standard deck of 52 cards. Let x represent the number of aces drawn in a set of 4 cards.
Computing the probability values using normal distribution - what proportion have SAT scores greater than 550?
Assume that a 95% confidence interval for the mean is 15.0
This yields 4 conditions: normal, mean (0 for errors, constant within treatment), constant variance and independent. B)(3) From the output given, are the assumptions in part a) satisfied?
Describe the purpose of transforming raw scores into standard scores. Describe what "normal distribution" means.
A clothing manufacturer tests an SRS of 3 specimens of each fabric. (a) What is the probability that the mean breaking strength of the 3 untreated specimens exceeds 49 pounds.
two out of five adult smokers aquired the habit by age 14. if 400 smokers are randomly selescted find the probability
Develop three regression models to predict the selling price based upon each of the other factors individually. Which of these is best?
real estate apperaiser may use simple or stratifief sampling technigue to drawn random samplegenrate a random sample
consider the following frequency of demanddemandnbspnbspnbspnbspnbspnbsp relative
What then is the probability that a shaft will be acceptable? Suppose that the diameter of the shaft is a random variable that is Normally distributed.
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