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You are considering two projects that are not mutually exclusive, the Espresso Project, and the Herbal Tea Project. The probability the Espresso Project does well is 0.80. Given that it does well, you believe the Herbal Tea Project is likely to do well with probability 0.70. However, if the Espresso Project does not do well, then the Herbal Tea Project has only a 25% chance of doing well. What is the probability that the Herbal Tea Project does well? What is the probability that both projects do well? What is implied about these projects?
1. a random sample is collected of size n from a population with standard deviation and with the data collected a 95
A multiple regression equation for list price of homes in certain community in USA is=170,000 -850 X 1 + 28,000 X 2 , where X 1 signifies age in years and X 2 signifies number of rooms.
a psychologist has developed a new method designed to help people taking an exam. the method requires the person to
calculate the estimate for the standard error of difference between two independent means for s12 13 s22 20 n1 22
Assume the population standard deviations are the same. At the .10 significance level, can we conclude that the annual rates of return are higher on the big board?
Over the last year the absentee rate at a large corporation averaged 8.2 days absent with a standard deviation of 6 days. One department with 40 employees had an absentee rate of 12 days per employee.
Compute the expected value of perfect information. Do you think it would be worth trying to obtain additional information concerning which scenario is likely to occur?
experiments have shown that when a clean tungsten surface is heated by laser irradiation using a focused ruby laser the
The cholesterol levels of a population have a normal distribution with a mean of 160 and a standard deviation of 30 how you I find the percentage of the population with cholesterol levels above 200.
Determine whether such subjects do better, on the average, than expected by just guessing and perform the statistical test
the average time to print a job app in the computer is 20 seconds.a calculate the upper bound on the probability of
An economist is interested in studying the incomes of consumers in a particular region. The population standard deviation is know to be $1,000. A random sample of 50 individuals resulted in an average income of $15,000.
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