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A business owner whose weekly income is $10,000.00 with a standard deviation of $8,000.00. Please determine the area under the curve for business owners whose weekly income is $7,000.00 and $15,000.00.
The Quality Assurance Department for Cola, Inc maintains records regarding the amount of cola in its Jumbo bottle. The mean per bottle is 64 ounces and the population standard deviation is 2.5 ounces. The quality technician randomly selected 50 bottles from the filling line. The mean amount of cola contained in the bottles is 64.5 ounces. Using the Please find the Z value. Please determine the probability. Out of the sample, how many of the bottles were over-filled?
Random sample of 36 theaters resulted in mean of $7.80. Population standard deviation is $1.00. Determine conclusion can be made at 10% significance level? How about 5% significance level?
Random number generation based on discrete distribution and evaluate the average queue length, waiting time, and percentage utilization for each system.
Conduct a hypothesis test to test that the population mean for population A is no greater than the population mean for B. Use the 0.08 significance level.
shortly after september 11th 2001 a researcher wanted to determine if the proportion of females that favored war with
the strength of ones immune system can be evaluated in several ways. one of the most popular methods involves measuring
most major airlines allow passengers to carry two pieces of luggage of a certain maximum size onto the plane. however
Based on a survey of over 10,000 households, the number of televisions in the home was recorded as given in the table below. Based on the data, find the expected number of televisions in a home.
Scores on a test have a mean of 73 and Q3 is 81. The scores have a distribution that is approximately normal. Find P90.
Suppose that during a basketball practice. Joe tries 3 shots from the free throw line; imagine further that he has a probability equal to 0.6 of making each shot and that the attempts are independent. Let 'X' be the number of baskets he makes in t..
Inventories represent a considerable investment for every organization; thus, it is important that they be managed well. Excess inventories can indicate poor financial and operational management.
a large clinical trial of the effect of diet on breast cancer assigned women at random to either a normal diet or a
a researcher is interested in studying peoples mean age in a certain region. if the population standard deviation is
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