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A simple random sample of size n = 250 individuals who are currently employed is asked if they work at home at least once per week. Of the 250 employed individuals surveyed, 27 responded that they did work at home at least once per week. Construct a 99% confidence interval for the population proportion of employed individuals who work at home at least once per week.
discuss the concept of sampling distributions and describe the rationale for their use in making inferences about
find the indicated probabilities using the geometric distribution or poisson distribution. then determine if the events
The sample mean has been calculated as 240.0. Construct and interpret the 90% and 95% confidence intervals for the population mean.
1.in the table below we examine the relationship between final grade and the reported hours per week each student said
Calculate the 95% confidence interval for the population proportion of patients who are successfully treated. (c) Write a sentence that correctly interprets this interval.
answer each question with a minimum of 50 words per question1 describe a scenario where you believe a binomial
Are conclusions valid for all types of crude oil? What assumptions are necessary for the analysis? Do you believe that all the assumptions are met in this case? What are the limitations, if any, of this study? Discuss.
question a black and red die are thrown and let x be a random variable denoting the sum of the dice.a. find all sample
a statistician has to decide on the basis of two observations whether the parameter ? of a binomial distribution is 14
doms pizza company uses taste testing and statistical analysis of the data prior to marketing any new product. consider
What are the optimal values of A and B? What is the minimum cost and if the cost of B could be reduced to $42 per unit, how many units of B would be optimal? What would the minimum cost be?
there is a row of n chairs each containing a student. let an be the number of ways to reassign seats so that each
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