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Founder of modern probability and statistics theory Cardano asserted that if one throws a die three times the chance that a given number will show at least once is 50 percent. This is now recognized as the wrong answer. Calculate, what is a probability of at least one dice showing 6.
Determine the probability that at most 4 fish will be killed?
The following frequency distribution reports electricity cost for sample of 50 two-bedroom apartments in Albuquerque, New Mexico during the month of May last year.
Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested recently predicted a mean of 24.80 mpg and a standard deviation of 6.2mpg for highway driving. Assume that a normal model can be applied.
What quantitative method can be applied to help the Department make the decision? Outline how this method can be applied and explain how a qualitative method can also be applied to help the Department make the decision
Test whether there is difference in the two population mean. Use p-value approach
Compute the variance and standard deviation
Should the finite-population correction factor be used? Why or why not?
To find out whether the course is effective in increasing sales, the appropriate set of hypothesis for testing is:
An anatomy teacher hypothesizes that the final grades in her class are distributed as 10% A's, 23% B's, 45% C's, 14% D's, and 8% F's. At the end of the semester, she has the following grades.
Median can be a more suitable measure of central tendency than mean if distribution of data is extremely skewed.
The following estimated regression model was developed relating yearly income (Y in $1,000s) of 30 individuals with their age (X 1 ) and their gender (X 2 ) (0 if male and 1 if female).
Based on information, compute the following: Percentage (or portion) of children who watch television less than 6.5 hours a week.
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