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A high school with 1000 students offers two foreign language courses : French and Japanese. There are 200 students in the French class roster, and 80 students in the Japanese class roster. We also know that 30 students enroll in both courses.
Find the probability that a random selected student takes neither foreign language course. (Show work and write the answer in simplest fraction form).
find the two standard scores z that correspond to the following. enter your answers from smallest to largest. give your
A sample of 25 concession stand purchases at the October 22 matinee of Bride of Chucky showed a mean purchase of $5.29 with a standard deviation of $3.02.
discuss the various sampling methods we might use in determining which items to include in a
How many 3-level Latin Squares are possible? {A "different" Latin Square in this case is one that does not have the same exact set of 9 treatment combinations as another set of 9.} Provide proof (or, at least "support") for your answer.
Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.
A recent Survey indicated that 18% of America adults were in favor of cloning human embryos. What is the probability that in a group of 30 adult Americans
The following data was randomly drawn from a normal population. At an alpha level of .05, does the mean of the population differ significantly from -150. Use Excel.
Find the distribution of profit for a unit price of $500. Use the Decision Table tool to find the best price between $400 and $600 in steps of $25.
In your opinion, which one/s of these factors (independent variables) will have a negative correlation with bone density and which one/s will have a positive correlation?
If random sample of 9 loads is selected for weight check, determine probability that mean weight of those loads is more than 40.60 tons.
the claim is the proportion of peas with yellow pods is equal to 0.25 or 25. the sample statistics from one experiment
gmat graduate management admissions test scores are normally distributed with a mean of 500 and a standard deviation of
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