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A researcher selects a sample of 80 people and records the frequency of participants choosing a low, moderate, or high calorie dessert in a buffet. What are the degrees of freedom for this chi-square goodness-of-fit test?
A. 2
B. 3
C. 79
D. 80
in order to evaluate the reasonableness of a firms stated total value of its parts inventory an auditor randomly
clark heste is an industrial engineer at lyones products. he would like to determine whether there are more units
let a b and c be independent random variables uniformly distributed over 05 03 and 04 respectively. what is the
specimens of blood from 10 different animals were analyzed for blood count say y in units of 100 and packed cell volume
a multiple choice question consist of 8 questions with five choices abcd or e.if all 8 answers are random guesses what
Only 3 reported that their health was excellent. Find the probability that when 13 adults are randomly selected, 3 or fewer are in excellent health.
A researcher wanted to determine the mean number of hours per week (Sunday through Saturday) the typical person watches television. Results from the Sullivan Statistics Survey indicate that s=7.5 hours
computing probability values using normal distribution.in a population of test scores not known to be normally
a researcher is testing a possible carcinogen on mice. he chooses 8 mice at random from a batch of 13 mice. unknown to
Develop hypothesis, conduct analyses as you deem necessary, and prepare a page report of your findings. Papers will be evaluated in terms of their accuracy of analysis and interpretation, completeness, and quality of writing.
Suppose that highway gas mileage rates for both of these cares are uniformly distributed over a range of from 20 to 30 mpg. What proportion of these cars would fall into the 22 to 27 mpg range? Compute the proportion of cars that get more than..
Find a 95% confidence interval for the mean µ of the population from which the men were selected.
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