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Use the weights of cans of generic soda as sample one and use the weights of cans of the diet version of that soda as sample two. Assume that the two samples are independent simple random samples selected from normally distrbuted populations. Do not assume that the population standard deviations are equal. Construct a 99% confidence interval estimate of the difference between the mean weight of the cans of generic soda and the mean weight of cans of the diet version of that soda. Does there appear to be a difference between the mean weights? Assume that population 1 is the generic soda and population 2 is the diet soda.
The 99% confidence interval is ____ ounces <SD1-SD2<____ ounces.
Find a 95 percent confidence interval for the true proportion of all current Bank of America customers who would respond with a 9 or 10.
Determine if there is reason to reject the claim made by Winston Tire Company and conclude that tires last for less than 40,000 miles.
a microchip company has two machines that produce the chips. machine i produces 55 of the chips but 5 of its chips are
He is expected to satisfactorily service 10 patients per day at an hourly wage of $8. Which dental hygienist would be the better hire? Why?
Find the equation of the regression line. What is the predicted value when x = 4? Is the correlation significant at 5% significance level (95% confidence level)? Why or why not?
according to a website about salaries the national average salary as of october 2003 for a human resources clerk was
Design a Huffman source coding scheme that can achieve lossless transmission with lessthan 90 bit/second.
For the data giben below, prepare a R-chart. Note that the sample size is three.
Results were analyzed using one -way ANOVA and included SSTR =7 , 102 and SSE = 10 ,511. Are all 8 tapes equally appealing on average? Determine p value?
If 60 percent of those people chewing the gum are successful in stopping smoking, what is the probability that in a group of four smokers using the gum at least one quits smoking?
question let r1 and r2 be the signal strengths received by a mobile from base stations 1 and 2 respectively. the
there are 17 broken lightbulbs in a box of 100 lightbulbs. a random sample of 3 lightbulbs is chosen without
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