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Farris Billiard supply sells all types of billiard's equipment, and is considering manufacturing their own brand of pool cues. Misty Farris, the production manager is currently investing the production of a standard house pool cue that should be very popular. Upon analyzing the cost, Misty determines that the materials and labor costs for each cue is 25 dollars, and the fixed cost that must be covered is 2400 dollars per week. With a selling price of 40 dollars each, how many pool cues must be sold to break even? What would the total revenue be at this break even point?
There is sufficient evidence to support the claim that the mean speed of all cars on that section of I-10 is greater than the posted speed limit of 70 mph.
Use traditional hypothesis test approach. Draw a graph showing the test statistic and critical values. Assume the population has a distribution that is approximately normal and that the sample is a simple random sample.
A sample of 25 concession stand purchases at the October 22 matinee of Bride of Chucky showed a mean purchase of $5.29 with a standard deviation of $2.78.
At 1 excavation site 8641 pot shards have been found that have not presently been cleaned also identified. Define the probability.
The weight of a .5 cubic yard bag of landscape mulch in uniformly distributed over the interval from 38.5 to 41.5 pounds. Give a mathematical expression for the probability density function.
A small business owner is experiencing a high staff turnover and wants to design a study to investigate the problem. What is the probability of randomly chosen student scoring at least 60?
Find the sample correlation between returns on assets and the ratio of loans to deposits. Interpret the intercept and slope of the estimated regression line.
Determine the least squares estimators γ and δ for this second model associated to corresponding LS estimators α and β of first model?
Calculate the correlation and the regression equation and plot the data in the space provided.
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02.
Critically discuss the purpose of developing a frequency distribution? What is the relationship between the relative frequency and the cumulative frequency? Could a frequency distribution contain qualitative data? Why?
According to the empirical rule, if the data from a "bell-shaped" normal distribution ______ percent of the observation will be contained between 2 standard deviations below the mean and 2 standard deviations above the mean.
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