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Determine the estimated probability that an agribusiness student whose midterm mark was 72, who expects a final mark of 65, and whose grade point average is 3.5 will recommend the course to a friend
What percentage of the dealer prices for the Mercedes CLK350 Coupe is more than $43,000 and hence priced out of the BMW 3 Series Coupe 335i market?
A consumer watchdog agency selects a random sample of 40 taxpayers. What is the standard error of the mean? What is the likehood the sample mean is greater than 320 minutes?
The mean return on investment is 25 percent and the standard deviation 5.2 percent. Compare the relative dispersion for the price-earnings ratios and return on investment.
The probability that a football game will go into overtime is 16%. What is the probability that two of three football games will go to into overtime?
the equation used to predict college gpa (range 0-4.0) is y^=0.15=0.54x1+0.002x2, where x1 is high school gpa (range 0-4.0) and x2 is college board score (range 200-800). Use the multiple regression
Fix-It Copiers advertises a mean time of 100 minutes for office calls with a standard deviation of 25 minutes. What percentage of calls are completed:
If there are 25 data points in an array, with a mean of 50 and a standard deviation of 10, calculate the number of data points that fall within 1.25 standard deviations?
SAT scores are normally distributed with a mean of 500 and a standard deviation of 100. What percent of test takers score less than 300?
A population has a standard deviation of 50. a random sample items from this population is selected. the sample is determined to be 600. at 85% confidence, the margin of error is ??
If the opinion poll had announced the margin of error for 80% confidence rather than 95% confidence, this margin of error would be?
The average labor charge for automobile mechanics is $54 per hour. The standard deviation is $4. Using Chebyshev's theorem, find the percentage of data values that will fall in the range of $48 to $
Normal distribution with a mean value of 150 sec and a standard deviation of 20 sec. The fastest 10% are to be given advanced training. What task times qualify individuals for such training?
a. What is the mean and standard deviation of the binomial distribution? b. What is the probability that half (18 or more) of the customers paid by credit?
What is the probability that there are more than 8 defective file cabinets?
There are 264 identical chips nimbered 1 through 264 in a box. What is the probability of reaching into the box and randomly drawing a chip numbered smaller than 60 round to 3 decimal places.
A certain printer cartridge has demonstrated a mean time usage of 9 hours and a standard deviation of 22 minutes. What time usage guarantee (in hours) should the manufacturer advertise in order to e
A file cabinet manufacturer estimates that 5% of its file cabinets will have drawers that close improperly. Assume a production run of 120 cabinets is completed.
A clothing store asserts that 60% of its customers pay by credit. On a particular day, 35 customers purchased items at the store. a.What is the mean and standard deviation of the binomial distributi
It is very difficult for small businesses to be successful. The Small Business Administra¬tion estimates that 20 percent will dissolve or go bankrupt within two years. A sample of 50 new busine
An educational researcher is analyzing the test scores for physics students taught using two different methods - a traditional method, and a web-based self-paced method. Can he conclude, at α
A poll found that 41% of male voters and 44% of female voters support a particular candidate. To test whether this candidate has equal levels of support between male and female voters, the null hypo
The stakeholders in the simulation have different opinions as to the proper course of action the organization should take. • Write a 350-word memo to the stakeholders in the simulation.
The length of time to complete a door assembly on an automobile factory assembly line is normally distributed with a mean of 6.7 minutes and a standard deviation of 2.2 minutes. For a door selected
Assume that the standard deviation of monthly rents paid by students in a particular town is $40. A random sample of 100 students was taken to estimate the mean monthly rent paid by the whole stude