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A company is drilling for oil. When it strikes oil, it expects a profit of $100,000. The cost of drilling is $5,000. If the probability of striking is 0.1, what is the expected profit for the company from this project?
We are interested in comparing the proportions of males and females who think earning a large salary is very important to them. I surveyed 200 of each gender and recorded their answers to the question as yes or no.
in a survey of 169 respondents say that they never use a credit card 1227 say that they use it sometimes and 2834 say
address the issue of extrapolation and using regression equations to forecast far into the future. explain the dangers
a sample of 100 bugs yields an average weigh tof 7.7 ounces. assume the population st.dev is 0.8 oz what is the margin
A soft drink bottling machine is set to dispense soft drink into containers labeled 16 ounces. While the actual quantities vary they are normally distributed with a mean of 16.1 ounces and a standard deviation of 0.015 ounces.
The amount of money spent by a customer is uniformly distributed over (0, 100). Find the mean and variance of the amount of money that the store takes in on a given day.
Solve the following confidence interval and interpret your results. Explain how you arrived at your result. Use Excel to show work if necessary.
1. Using the Internet resources, find an example of a linear optimization model used in industry. Describe which industry it is or was used in and briefly discuss the problem or challenge it addressed.
find the pearson correlation coefficient for the following set of data using the computational formula from the
How many subjects would you approximately need to reduce the length of the 95% confidence interval to 2 units?
For which of the following situations is it appropriate to use a scatter diagram or scatter plot?
At the .01 significance level can we conclude the mean age is more than 8.4 years for the cars of university students? State the null hypothesis and the alternate hypothesis.
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