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A study was conducted to investigate the relationship between the cost, y (in tens of thousands of dollars), per unit of equipment manufactured and the number of units produced per run, x. The resulting equation for the line of best fit is given below, with x being observed for values between 10 and 200. If a production run was scheduled to produce 80 units, what would you predict the cost per unit to be in dollars?
= 7.56 - 0.01x $
Demand for a popular athletic shoe is nearly constant at 800 pairs per week for a regional division of a national retailer. The cost per pair is $54.
In a randomly controlled trial conducted with children suffering from croup, 46 randomly selected children were treated with ow humidity while another group of randomly selected children were treated with high humidity.
Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30.
Solve problem graphically1. Describe optimal solution and objective function value in context of the problem.
Determine the probability that sample mean is between 7.5 and 8 minutes?
The display represents Excel output for an ANOVA analysis with σ = 0.05.
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Describe each of the following methods of statistical inference in detail (Please try to use layman's terms).
What is the probability that 25% or fewer male employees will indicate that they have to pick up the slack for moms working flextime?
An experiment consists of flipping the fair coin three times and noting the number of heads and tails. A random variable x is defined to be two times the number of heads plus the number of tails.
Obtain a test statistic and p -value assuming equal variances. Interpret these results.
The exercise problem the following information to figure prevalence and incidence rate:
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