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Your babysitter claims that she is underpaid given the current market. Her hourly wage is $12 per hour. You do some research and discover that the average wage in your area is $14 per hour with a standard deviation of 1.9. Calculate the Z score and use the table to find the standard normal probability. Based on your findings, should you give her a raise? Explain your reasoning as to why or why not
Describe a normal distribution. What two parameters determine its location and shape and what proportion of trucks can be expected to travel between 80,000 and 120,000 kilometres in the year?
For a certain product, the net contribution can be seen as Net Contribution = $500,000Q - $200,000, where Q is the market share. The expected market share (E(Q)) is then substituted into the net contribution equation--> E(Net Contribution) ..
Calculate correlations among the portfolio, SH, and RWM and do you believe the relationships identified are stable and can thus be used going forward?
1. Provide a recommendation to the president that maximizes profits
A 1982 study indicated that 40% of young adults (18-25 years old) in the U.S. smoked cigarettes. In a later survey of 1500 young adults, 536 were found to be smokers. Do the data indicate that the smoking rate for young adults in the U.S. has decreas..
Please read through the case scenario shown below to gain an understanding of the background information and the research study
What is the average rating for all CBC movies? How about ABN movies and BBS movies and create a line graph of the monthly average ratings for CBC for the year
Perform exploratory data analysis on the relevant variables in the dataset. When possible, include appropriate graphs to help illustrate the dataset.
Consider the situations and comment on whether the sample results might cause concern about the quality of the process.
Assume a data set is normally distributed with mean 160 and standard deviation 25. If the data set contains 300 data values, approximately how many of the data values will fall within the range 110 to 210?
A recent study examined the association between high blood pressure and increased risk of death from cardiovascular disease. There were 2676 men with low blood pressure and 3338 men with high blood pressure. In the low-blood-pressure group, 21 men di..
In a manufacturing process a random sample of 16 bolts manufactured has a mean length of 8 inches with a standard deviation of 1.6 inches. What is the 99% confidence interval for the true mean length of the bolt
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