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Customer backgrounds.
A company that offers courses to prepare would-be M.B.A. students for the GMAT examination has the following information about its customers: 20% are currently undergraduate students in business; 15% are undergraduate students in other fields of study; 60% are college graduates who are currently employed; and 5% are college graduates who are not employed.
(a) This is a legitimate assignment of probabilities to customer backgrounds. Why?(b) What percent of customers are currently undergraduates?
In a certain pediatric population, systolic blood pressure is normally distributed with mean 115 mm Hg and standard deviation 10 mm Hg. Find the probability that a randomly selected child from this population will have:
1nbsp show that for a continuousft ht1o tgt0 is a constant i.e. not dependent on t if and only if t follows an
how many different seven-digit phone numbers can be generated provided that the first digit cannot be zero? explain
The Bee line Café is well known for its popular homemade ice cream, which it makes in a small plant in back of the café. People drive long distance to buy the ice cream.
Please read each question carefully and answer it completely. Please fill in the tables and short answer questions, copying information from EXCEL where requested.
Cholesterol was 186 milligrams with s = 19.0 milligrams. Construct a 95% confidence interval for the true mean cholesterol content of all such eggs.
Can you provide another explanation for this one: Zc/Tc for 86% confidence interval when the sample size 50?
question 1 explain and describea the difference between population mean and sample mean.b the concept of estimation
if the correlation between the two independent variables of a regression analysis is 0.11 and each independent variable
suppose that the annual rate of return for a common biotechnology stock is normally distributed with a mean of 5 and a
A normal distribution has a mean of 80 and a standard deviation of 14. Determine the value above which 80 percent of the values will occur.
A central university has a student population of 60,000. The university is interested in determining what proportion of them is in favour of a new grading system.
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