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A New York restaurant would like to estimate the average amount customers spend for dinner. A sample of size 49 customers resulted an average of $32.60. Assume the population standard deviation is $5.
What is the point estimation for the mean of the population?
At 90% level of confidence, what is the margin of error?
What is the 90% confidence level for the mean of the population?
Consider testing H0: μ= 27 vs Ha: μ
to investigate the maternal behavior of laboratory rats we move the rat pup a fixed distance from the mother and record
Ethics The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase?
according to a website about salaries the national average salary as of october 2003 for a human resources clerk was
A study has been made to compare the nicotine contents of two brands of cigarettes. Ten cigarettes of Brand A have an average nicotine content of 3.1 milligrams with a standard deviation of .5 milligrams
In a test of a gender-selection method, 14 babies are born and 10 of them are girls. Find the number of different possible sequences of genders that are possible when 14 babies are born
Suppose it costs $25 per student for the administrators to provide the course materials.
The Water Authority informs Margaret that for a special fee of $6,000 this year, her farm will qualify for an additional allotment of 600 acre-feet of water. How should she respond?
performance analysis corporationchapel hill north carolinaperformance analysis corporation founded in 1979 is a
Calculate each of the following values for the data set below (assume it is a population).{3.42, 4.10, 4.15, 4.19, 4.26, 4.85, 5.01, 6.22}
a fair six sided die is rolled 10 times. calculate the expected value of the sum of the numbers observed. then compute
Four customers in succession come into the store to order stereos. The retailer is interested in their preferences. List the possibilities for preference arrangements among the four customers.
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