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In a recent survey of computer ownership, 73.4% of the respondents indicated they own PC computers, while 21.8% indicated they own both PC and Mac computers, and 80.1% said they own at least one of the two computers.
a. What is the probability that a respondent owns a Mac computer?
b. Given that a respondent owns a PC, what is the probability that the respondent also owns a Mac?
c. Are events "P" and "M" mutually exclusive? Why or why not? Explain using probabilities.
d. Are the two events "P" and "M" independent? Explain, using probabilities.
What is the relationship between the sign of the correlation coefficient and the sign of the slope of the regression line?
The time required to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. Answer the following questions. a) What is the probability of completing the..
The soap and detergent association issued its fifth annual clean hands report card survey for 2009.
deliverable length 2 - 3 pages in ms worda request-for-proposal rfp has been recently sent to three consulting firms.
Consider an acceptance-sampling scheme in which factory takes delivery of a batch of components if random sample of 400 components contains fewer than M defectives.
The probability distribution of the daily demand for a product is shown below. What is the expected number of units demanded per day? Determine the variance and the standard deviation.
The average cost of repairing a VCR is $80 with a standard deviation of 19. if one VCR is repaired, find the probability the cost is between 70 and 90.
How many cars must be randomly selected and tested in order to estimate the mean braking distance of registered cars in the US to give a 99% confidence that the sample mean is within 2 ft of the population means. The population standard deviat..
Explain the difference between a discrete and a continuous random variable. Give two examples of each type of random variable.
Oxytocin is a naturally occurring brain chemical that is nicknamed the "love hormone" because it seems to play a role in the formation of social relationships such as mating pairs and child-parent bonding.
Determine the probability that mean height of random sample of 100 women is greater than 66 inches?
SAT verbal scores are normally distributed with a mean of 412 and a standard deviation of 90. Use the Empirical Rule to determine what percent of the scores lie between 412 and 592.
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