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Assume the body temperatures of healthy adults are normally distributed with a mean of 98.20 °F and a standard deviation of 0.62 °F (based on data from the University of Maryland researchers).
a. If you have a body temperature of 99.00 °F, what is your percentile score?b. Convert 99.00 °F to a standard score (or a z-score).c. Is a body temperature of 99.00 °F unusual? Why or why not?d. Fifty adults are randomly selected. What is the likelihood that the mean of their body temperatures is 97.98 °F or lower?e. A person's body temperature is found to be 101.00 °F. Is the result unusual? Why or why not? What should you conclude?f. What body temperature is the 95th percentile?g. What body temperature is the 5th percentile?h. Bellevue Hospital in New York City uses 100.6 °F as the lowest temperature considered to indicate a fever. What percentage of normal and healthy adults would be considered to have a fever? Does this percentage suggest that a cutoff of 100.6 °F is appropriate?
For the following data, determine whether or not right-hemisphere damage results in significantly reduced performance on the spatial skills task. Test with alpha set at .05 with one tail. The data are as follows:
To demonstrate the process is in control or out of control utilizing p-chart. A company which produces nails has retained you as a consultant.
A study published in the New England Journal of Medicine (Aug. 2001) suggests that it's dangerous to enter a hospital on a weekend. During a 10-year period, researchers tracked over 4 million emergency admissions to hospitals in Ontario, Canada. T..
The daily revenue totals for the next 30 days will be monitored. What is the probability that the mean daily revenue for the next 30 days will be between $7000 and $7500?
Last week Sarah had exams in Math and in Spanish. On the math exam, the mean was m = 40 with s = 5, and Sarah had a score of X = 45. On the Spanish exam, the mean was m = 60 with s = 8 and Sarah had a score of X = 68. For which class should Sara e..
f no more than 5% of the containers are to weigh less than 15.8 oz, what must the standard deviation of the weights equal?
Compute the z-score for M = 89 for a sample of n = 25 scores. Is this sample mean in the middle 95% of the distribution?
What is approximately the largest sample mean of another sample of n= 16 participants you would expect to obtain from this finite population?
What is the opportunity loss of spending 4 hours per week on average studying for the exam when the exam turns out to be easy?
A manufacturer of billiard balls is testing three additives to the basic plastic. Show the partial ANOVA table
Using this information, calculate Beta risk (probability of Type II error) if the true population mean really is 77.
A IRS auditor randomly selects 3 tax returns from 48 returns of which 9 contain errors. What is the probability that she selects none of those containing errors? Round to four decimal places.
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