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The probability using the normal distribution. 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.
(a) Draw the model for auto fuel economy. Clearly label it, showing what the 68-95-99.7 Rule predicts about miles per gallon.
(b) In what interval would you expect the central 68 percent of autos to be found?
(c) About what percent of autos should get more than 31 mpg?
(d) About what percent of cars should get between 31 and 37 mpg?
(e) Illustrate the gas mileage of the worst 2.5% of all cars.
MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
Use this information to make a 95% confidence interval to evaluate true average number of copies made each day at this company.
At.01 significance level, can we conclude that 30-year mortgage rate for small banks is less than 6%? Evaluate the p-value.
Run a multiple regression and interpret all the findings, R 2 , F, IV coefficients, and the intercept. Then in paragraph format, identify and report the following:
It was reported that 20 readers responded and 87% said "no" while 13% said "yes." Recognize 4 major flaws in this survey.
At least half the patients are under 15 years old? First, describe how this can be modelled as a binomial distribution with 8 trials, where success is visitor age is under 15 years old and the probability of success is 20 percent.
Determine the probability that a randomly selected teacher earns more than $525 per week?
Why is estimating a multiple regression model just as easy as bivariate regression?
Determine the likelihood of accepting a lot which is 1% defective?
Perform a contingency analysis on the data to determine if there is any dependency between the number of level of education attained by the father and the size of his family.
What conclusions can you draw about the nature of the relationship between anxiety and exam performance?
For each of the 50 states and Washington, D.C., a number of statistics related to education are available for 1992
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