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A study was conducted to determine if there was a difference in the humor content in British and American trade magazine advertisements. In an independent random sample of 270 American trade magazine advertisements, 56 were humorous. An independent random sample of 203 British trade magazines contained 52 humorous ads. Does this data provide evidence at the .05 significance level that there is a difference in the proportion of humorous ads in British versus American trade magazines? Please show work.
Calculate the probability that a hand of 13 cards dealt from a normal pack of 52 contains exactly two kings and one ace. what is the probability that it contains exactly one ace given that it contains exactly two kings.
In the data collected for construction of c chart, the average number of defects per unit of output is c = 7.5. Discuss the 3-sigma upper and lower control limits for the control chart?
Probability depends on normal distribution. If a random sample of nine 18 year old men is selected illustrate what is the probability that the mean height
Suppose these data represent whole population. Determine the population mean and population standard deviation.
Estimate the 95% confidence interval for the proportion of the electorate that support this policy.
What is the point estimate of the proportion of the population of employees who strongly dislike their current work experience (to 2 decimals)?
Start rolling dice until a particular number, say 3, is obtained, and keep track of how many rolls are necessary. Repeat 100 times. Then find the average.
Revenue and cost functions for producing and selling quantity x for certain production facility are given below. Find out profit function P(x).
How many individuals will it need to sample to achieve this level of accuracy and confidence?
No, there is not enough information to refuse hypothesis that proportion of male students who live on campus and proportion of female students who live on campus are same as the test value -1.65 is inside acceptance region (-1.96,1.96).
The significance level of a statistical test is equal to the probability that the null hypothesis is true.
The so-called "Gambler's Fallacy" makes the mistake of not recognizing:
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