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The cost of 5 gallons of ice cream has a variance of 64 with a mean of 34 dollars during the summer. What is the probability that the sample mean would differ from the true mean by less than 1.1 dollars if a sample of 385-gallon pails is randomly selected? Round your answer to four decimal places.
What is the research hypothesis? Should you conduct a one-or two tailed test? Why?
exploratory data analysis.a. perform exploratory data analysis on all variables in the data set. realizing that you
the quality control manager at a light bulb factory needs to estimate the mean life of a large shipment of light bulbs.
Determine if sequence Sn converges in distribution. -Determine if sequence Sn converges in probability.- Determine if sequence Sn converges in the MS sense.
describe what a type i error would mean in the context of this problem.select onea. reject h0 when the mean score has
Internet is 13.4 hours per week, with the sample standard deviation of 6.8 hours. Determine the 95 percent confidence interval for mean time Wired subscribers spend on Internet.
Mean output of solar cells of three types are measured six times under random light intensity over a period of 5 minutes, yielding the results shown. Research Question: Is the mean solar cell output the same for all cell types?
the only fruit shop received a shipment of fruit and they would like to estimate the percentage of fruit which meets
Determine the probability that gas tank's capacity is above 15.25 gallons?
the length of time between breakdowns of an essential piece of equipment is important in the decision of the use of
a) What is the probability that exactly two of these parts will be defective? b) What is the probability that none of these parts will be defective? c) What is the mean of the number of defective parts among the group of parts selected? d) What is th..
Test the hypothesis that = 800 hours against the alternative 800 hours if a random sample of 30 bulbs has an average life of 788 hours. Use a 0.04 level of significance.
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