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A simple random sample of pulse rates of 40 women from a normally distributed population results in a standard deviation of 11.2 beats per minute. The normal range of pulse rates of adults is typically given as 60 to 100 beats per minute. If the range rule of thumb is applied to that normal range: the result is a standard deviation of 10 beats per minute. Use the sample results with a 0.01 significance level to test the claim that pulse rates of women have a standard deviation equal to 10 beats per minute.
Identify the null and alternative hypotheses
Compute the test statistic.
Find the P-value of the test statistic
State the conclusion
find the diamter of a pipe where p1-p2 is 55 psi and the height rise along the pipe is 60 ft or h2-h1 60 ft the exit
a clinical trial tests a method designed to increase the probability of conceiving a girl. in the study 290 babies were
the average weight of nfl players is approximately normally distributed with a mean of 245 pounds and a standard
David Gallano, a wine merchant, has collected opinions on grape wine quality from a sample of his customers. These customers tasted wine made from grapes grown in three regions of the country.
The standard IQ test has a mean of 100 and a standard deviation of 13. We want to be 98% certain that we are within 2 IQ points of the true mean. Determine the required sample size.
If the residual plot, i.e., a graph in which the residuals for a particular regression model are plotted along with their associate value of x as an ordered pair, shows a parabolic pattern, which of the following assumptions of the simple regressi..
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The amount of income spent on housing is an important component of the cost of living. The total costs of housing for homeowners might include mortgage payments, property taxes, and utility costs (water, heat, electricity).
Find out the probability that: (a) The amount requested is between $65,000 or more?
Primary healthcare workers believe that anaphylactic shock reaction to immunization injections occurs with children in one case in two thousand.
Please choose one of the probability constructs below. Then, identify a peer-reviewed journal article that highlights the construct. Compose a post in which you summarize and evaluate the construct's use in the research study.
While taking a multiple choice test, I realize I cannot answer the 5 questions without guessing. There are 5 choices for each question, A B C D or E.
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