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Question: In a study entitled How Undergraduate Students Use Credit Cards, it was reported that undergraduate students have a mean credit card balance of $3173 (Sallie Mae, April 2009). Assume that a current study is being conducted to determine if it can be concluded that the mean credit card for undergraduate students has increased compared to the April 2009 report. For a sample of 180 students with a sample mean of $3325 and a sample standard deviation of $1000, what is the p-value?
In a city, 78% of the adults had a regular driving license and 14% did not have a driving license.
A new restaurant with 123 seats is being planned. Studies show that 57% of the customers demand a smoke free area. How many seats sould be in the non-smoking area in order to be very sure (mean+3StandardDeviation) of having enough seating there?
if we have a 95 confidence interval we have alpha2 below the confidence interval and alpha2 above the confidence
A researcher measured the relationship between political affiliation (Republican, Democrat) and attitudes toward gun control.
What is the probability of finding 1 or more children with chronic bronchitis in a population where the incidence rate of chronic bronchitis is 10% (like the one above?)
Blood pressure Larry came home very excited after a visit to his doctor. He announced proudly to his wife, "My doctor says my blood pressure is at the 90th.
Show that the vector of order statistics is minimal sufficient for (µ, s).
If the probabilities for these outcomes are 0.1, 0.3, and 0.6, respectively, what is Marlin's expected monetary outcome for trying to scam the Mercedes driver?
the engineering department at sims software inc. recently developed two chemical solutions designed to increase the
write out explicitly using bernoullis techniques the formulas for the sums of the first n fourth fifth and tenth
The main objective of the study is to investigate smoking behaviour among Malaysian teenagers that were related to their smoking initiation, cigarette consumption, quit intention and quit attempts.
type your question here an article in the jornal of statstic education reported the price of diamond of different carat
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