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Question: A realtor is trying to sell a large piece of property. She believes there is a 0.90 probability that the property will be sold in the next 6 months if the local economy continues to improve throughout the period, and a 0.50 probability the property will be sold if the local economy does not continue its improvement during the period. A state economist consulted by the realtor believes there is a 0.70 chance the economy will continue its improvement during the next 6 months. What is the probability that the piece of property will be sold during the period?
the lenght of time x to complete a standard achievement test is approximately normally distributed with a mean of 58
A company's headquarters is located in downtown Chicago. The company is interested to know the mean driving time of its employees if they require their employees to start working at 6:00 am. Fifty employees are randomly sampled over four weeks and..
Describes how animals and humans experience positive emotions and interact with others and with their surroundings
what is the total area under the normal curve?is ita 0.5b 1c it depends on the standard deviationd it depends on the
Find the area to the right of z = 0.85 under the standard normal curve.
A certain college gives aptitude tests in the sciences and the humanities to all entering freshmen. If X and Y are, respectively, the proportions of correct answers that a student gets on the tests in the two subjects, the joint probability distr..
The scores on an exam are normally distributed with mean 74 and standard deviation 9 points. What is the probability a random student scored.
A microwave oven repairer says that the mean repair cost for damaged microwave oven is less than $90. You work for the repairer and want to test this claim.
explain how do you declare a variable as binary or integer in excel solver?1.briefly explain the results of a what-if
Suppose that X represents diameter measurements from a gamma distribution with a mean of 3 mm and a variance of 1.5 mm^2.
Identify the null hypothesis and the alternative hypothesis. Is there sufficient evidence to support the researcher's claim? Explain.
Let x be a random variable that represents a test score. What is the lowest score that would still place a student in the top 40% of the scores?
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