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Three colors have been proposed for a product: blue, green, yellow. The null hypothesis for a goodness-of-fit test would be.
A) green is preferred over the other colors
B) there is no preference between colors
C) any one color is preferred over the other colors
D) impossible to determine
I believe that 'B' is the null hypothesis as the assumption would be equal preference among consumers for each of the colors. Is 'B' the best response? If not, can you explain in a few sentences or less?
The first unit required 9800 hours to manufacture. The company expects to experience an 82% unit learning curve. Estimate the cost of the 20th unit. (Round intermediate calculations to 4 decimal places)
Graph one shows a number of observations that all are directly on trend line that moves from the top left of the graph to the bottom right.
Interpret coefficient on log (salesm). If salesm were to be increased by 20%, what would be estimated change in mktgp? Would this effect be substantive?
What sample size must you take to be 96% confident that the results will be within $.75 of the true mean cost per call?
Sample with size n = 100 has mean = 30. Assuming the population standard deviation is 8, construct 95% confidence interval for population mean.
How would you find the normal approximation to the binomial probability P(x = 5) in part A? Please show how you would calculate µ and σ in the formula for the normal approximation to the binomial, and show the final formula you would use without g..
Illustrate the maximum number of reservations that it could accept for a flight with a capacity of 160, if it needs the probability of accommodating all reservation holders to be at least 95%.
It is impossible to obtain a standard error less than 2 for any sized sample.
The radar traps at each of the locations L1 L2 L3 L4 are operated 40 30 20 and 30 of the time a person who is speeding on his way to Penn State has a probablities of 2 1 5 and 2 respectivley of passing through these locations what is the probablit..
A customer wants delivery to be ensured between 10 am and 2 pm. Your truck leaves the factory at 4 am and time taken to reach the customer is normally distributed with an average of 8 hrs and a standard deviation of 1 hr.
WonderDrug Company wants to test the effectiveness of a new headache drug. What sampling technique (simple random, stratified random, cluster, convenience) is WonderDrug Company using in each of the following studies?
Don Levine Corporation is considering adding an additional plant to its three existing facilities in Decatur, Minneapolis, and Carbondale. Both St. Louis and East St.Louis are being considered.
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