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A recent study of cardiovascular risk factors reports that 30% of adults meet the criteria of hypertension. if 15 adults are assessed, what is the probabiliy that?
a. exactly 5 meet the criteria for hypertension?
b. none meet the criteria for hypertension?
c. less than or equal to 7 meet the criteria for hypertension?
The dean of the Western College of Business must plan the school's course offerings for the fall semester. Students demands make it necessary to offer at least 30 undergraduate and 20 graduate courses in the term. Faculty contract also dictate tha..
The following table gives the number of U.S. families, in thousands, with pet dogs, pet cats, and pet birds, by size of family.
A randomized block design with 4 treatments and 5 blocks produced the following sum of squares values: SST = 1951, SSTR = 349, SSE = 188. The value of SSB must be:
Do the data in the sample represented in the Excel file support his contention at the .05 level of significance?
Of 260 females, 224 answered yes. Construct a contingency table to evaluate the probabilities. What is the probability that a respondent chosen at random:
In the boom years of the late 1990s, it was often said that rapidly increasing stock prices were responsible for much of the rapid growth of real GDP. Explain how this could be true, using aggregate demand and aggregate supply analysis
An appliance manufacturer claims to have developed a new toaster oven that consumes an average of no more than 250 W. From previous studies, it is believed that power consumption for toaster ovens is normally distributed with a variance of 324 W.
In a class of 40, 16 driver a car made outside the United States. What is the confidence interval for the total population of students at the 95% level?
Create a 95% confidence interval for population mean. Is it sensible that population mean is 28 weeks? give explanation for your answer.
Make use of normal probability distribution features of EXCEL to help determine the probability.
Assume that each shipment contains a random sample of bearings. a. What is the probability that a given shipment is acceptable?
The 99% confidence interval estimating the proportion of all students at the university who prefer outdoor exercise is given by which of the following?
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