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According to The Economist, the current office vacancy rate in San Jose, California, is 21%.14 An economist knows that this British publication likes to disparage America and suspects that The Economist is overestimating the office vacancy rate in San Jose.
Suppose that this economist looks at a random sample of 250 office building properties in San Jose and finds that 12 are vacant. Using α = 0.05, conduct the appropriate hypothesis test and state your conclusion. What is the p-value?
What is the central difficulty involved in obtaining simple random samples from large populations?- How does cluster sampling solve the practical problems involved in simple random sampling?
a professor gives tests that are either hard medium or easy. if she gives a hard test her next test will be either
at a certain university the probability that an entering freshman will graduate within 4 years is 0.4. an incoming
Find the variance of the random variable and its standard deviation.- Verify that P(x) is a probability distribution.- Find the cumulative distribution function of the random variable.
Bolts are randomly selected until a 5 mm bolt is obtained. The outcomes are the sequences of bolts that can be selected. So one outcome is 1, and the other is 342. List the equally likely outcomes.
What is the variance and standard deviation (of profit, NOT of tire life) for producing an all weather tire? Of producing a high performance tire?
What is the probability that a roulette ball will come to rest on an even number other than 0 and 00?
The Gallup organization conducted a telephone survey with a random selected national sample of 1005 adults, 18 years and older. The survey asked the respondents, "How would you describe your own physical health at this time? "Response categories w..
This set of height measurements are recorded in centimeters. Answer the following questions using the Histogram Applet.
why the rise in performance on IQ tests contrasts with a steady decline in performance over the past decades on many standardized tests,
Draft a memo to the client to explain the importance of accrual based financial statements, make sure you: explain the difference between a cash basis and an accrual basis measure of performance.
find the area under the curve for the following z-scores z -0.31 and z
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