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In a random sample of 10 reduced fat chocolate chip cookies, the sample mean for the number of chocolate chips was 17.6. Regular chocolate chip cookies have a mean number of 20 chocolate chips. The population standard deviation for the reduced fat cookies was 3.8 chips. What is the p value associated with this test?
How would you do this problem by hand and on a calculator (If possible).
Is there sufficient evidence to support a claim of different population means? Can we conclude that sunny days result in greater amounts of electrical energy?
a brewerys filling machine is adjusted to fill bottles with a mean of 31.2 oz. of ale and a variance of 0.003.
derive the formulas for the lower and upper conf bound given in the lecture notes starting from the given self-evident
45% of the students at U of M do neither have a tattoo nor a body piercing (other than an ear piercing). 40% of the students at U of M have a tattoo. 30% of the students at U of M have a body piercing
A student's final exam grade depends on how close the student sits to the center of the classroom during lectures. If a student sits r feet from the center of the room, the grade is a Gaussian random variable with expected value 80 - r and standar..
in a study of the effectiveness of garlic for lowering cholesterol 17 subjects were treated with garlicin which is
The weather in London can be summarised as: if it rains one day there's a 70% chance it will rain the following day; if it's sunny one day there's a 40% chance it will be sunny the following day. Assuming that the prior probability it rained yest..
A process is under control and follows a normal distribution with mean 100 and standard deviation 10. In constructing a standard -chart for this process, the control limits are set 3 standard deviations from the mean-i.e., 100 . The probability of o..
a certain car model has a mean gas mileage of 29 miles per gallon mpg with a standard deviation of 5 mpg. a pizza
Describe multiple regression analysis and discuss potential uses for this model
If a simple random sample of 80 seniors is taken, what is the probability that at most 64 of them will be accepted into college.
Uising a level of significance of .10, is there evidence that the population mean weight of the hats is greater than 3.5 pounds?
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