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The average wage of a construction worker is $11.76 with a standard deviation of $2.72. Assume normally distributed.
A) What is the probability that a randomly selected worker makes more than $12.55
B) What is the probablity that a randomly selected worker makes less than $8.00
A sample of the math test scores of 35 fourth-graders has a mean of 82 with a standard deviation of 15.
Florida State University administers a mathematics placement test to students where they 1st enter the university.
deliverable length 4-8 paragraphs inforum topic with all of the recent frauds and corporate scandals similar to merck
A newspaper article discussed the opening of a Whole Foods Market in the Time=Warner building in NYC. What assumption is necessary about the population distribution in order to perform the test
Suppose you, as the manager of Tennessee Grilled Pork. would like to ensure you have enough cleaning staff for your dining room and would like to analyze data for customers who enter the restaurant to place and order and either eat in the restaura..
Five students took a math test before and after tutoring. Their scores were as follows. Using a 0.01 level of significance, test the claim that the tutoring has an effect on the math scores.
40 numbers are rounded off to the nearest integer and then summed. if the individual round-off error are uniformly
First National Bank and City National Bank are competing for customers who would like to open IRAs. 32 weeks are randomly selected for First National Bank and another 32 weeks are randomly selected for City National.
in a binomial distribution for each of n trials the event result of the first trial influence the next
A market researcher wants to find the 99% Confidence Interval for the average number of hours people spend online each day.
What sample size is needed to estimate with 95 persent confidence the mean intake of calcium within 20 units of the true mean if the intake is normal with a variance of 1900 units?
in order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is
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