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Hypertension has become one of the leading causes of deaths among developed nations especially in the United States. According to the Centers for Disease Control and Prevention, the prevalence in the United States is 29% and increasing. Hypertension is defined by abnormally high blood pressure. To determine what systolic blood pressure is considered normal, researchers from the University of California, San Diego obtained systolic blood pressure from 121 healthy adults. They found that the mean systolic blood pressure was 144 mmHg with a standard deviation of 25 mmHg. Using a significance level of 0.05, test the claim from the World Health Organization that the population mean systolic blood pressure is equal to 140 mmHg. Assume the amounts are approximately normally distributed. What are the critical values you should use to test the given hypothesis?
Find the probability that the manager reaches her client in two or fewer calls.- Find the probability that the manager reaches her client on the second call but not on the first call.
Using a normal quantile plot, determine whether these data might be a sample from a normally distributed population. On the basis of the skewness and kurtosis of this sample, how large a sample does the CLT condi- tion require in order to rely on a ..
Discuss the differences between any two rival philosophies of civil engineering systems design, citing examples from past civilizations. Include a discussion of your preferred philosophy in the context of civil engineering systems resilience and s..
She has 95% confidence that the mean annual income of the 2 million customers is between $70,000 and $85,000. Explain the meaning of the statement.
a sociologist wants to determine the current percentage of households using e-mail. how many households surveyed in
The figures show the number of Iraq casualties through October 2009 and the population of some hometowns .
according to the mendelian theory of inherited charateristics a cross ferilizatiopn of related species of red and white
(b) How often does each integer between 1 and 12 appear in the sequence generated in part (a)? (c) Without performing additional calculations, indicate how x13, x14, . . . will compare with x1, x2, . . . .
When filter permits spam to slip through into your inbox, which type of error is that? Which type of error is it when the real message gets classified as junk?
List all outcomes corresponding to the five smallest possible values of Y, and state which Y value is associated with each one.
A side effect of a certain anesthetic used in surgery is the hiccups, which occurs in about 10 percent of the cases. If three patients are scheduled for surgery today and are to be administered this anesthetic, compute the probability that
The nonexperimental quantitative study I chose looks at the relationship between mental health diagnoses in children and the behaviors of their parents.
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