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Problem 1
Use three decimal places in your answers for this problem.
The following table was collected.
Hours of weekly exercise % Body Fat
0 32
3 20
5 18
14 12
Using the above calculate the best fit line and the R value.
Show all of your calculations.
Problem 2
Use four decimal places in your answers for this problem.
We have a population that is normally distributed with an average of 2.25 and a standard deviation of 0.810. What is the probability of pulling a single sample between 2 and 3?
The Appliance Center has six sales representatives at their North Jacksonville outlet. Listed below is the number of refrigerators sold by each last month.
Students need a score of 60 points to pass the exam. What is the probability that a randomly selected student will pas the exam? (P(X ≥ 60))
Utilizing the chart parameters developed above to define the control charts for future candy bar production, Compute the appropriate plotting points from the data.
A local bank wants to install motion detector burglar alarms. Each has a 70% chance of detecting a burglar. If the bank wants to be 99% certain of detecting a burglar how many need to be installed?
Steps in hypothesis test procedure - conducting a hypothesis test for some general statistic, ? say.
What is the probability that the police will strike and the firefighters will not? What is the probability that the firefighters will strike and the police will not?
State along statistical certainty there is a difference among the population proportions of those favoring Statement.
Use differential calculus to find both sales volume at which revenue is maximised and the maximum revenue available from sales of product X.
Mark makes it a policy not to buy bananas unless the price is 33 cents or less per pound. What proportion of the time would he buy bananas?
The following data refers to gross earned income, in thousands of dollars per year, and level of taxation on that income.
The airline must sell 150 seats to break even on this particular flight. On what percent of the flights does the airline make money?
Find the Probability and inverse probability for the given Normal distribution.
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