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The Foundation Corporation specializes in constructing the concrete foundations for new houses in the South. The company knows that because of soil types, moisture conditions, variable construction, and other factors, eventually most foundations will need major repair. On the basis of its records, the company's president believes that a new house foundation on average will not need major repair for 20 years. If she wants to guarantee the company's work against major repair but wants to have to honor no more than 10% of its guarantees, for how many years should the company guarantee its work? Assume that occurrences of major foundation repairs are Poisson distributed.
Determine the probability that none of the calculators will be defective?
If he finds differences, then he may realize that, 1) he will need to evaluate his course ethnic sensitivity,
Solve the following confidence interval and interpret your results. Explain how you arrived at your result. Use Excel to show work if necessary.
A basketball player has made 66% of his foul shots during the season. Assuming the shots are independent, find the probability that in tonight's game he misses for the first time on his 6th attempt?
if the probability is 0.1 that a person will make a mistake on his or her state income tax return find the probability
the study found 87 per cent of 1500 australians surveyed would support colour-coding on packaged food to indicate
We wish to compare the average sales in two shops, to see if the population mean of the first one is higher than the second one. One shop had 100 sales averaging $94, with a standard deviation of $40.
That only 94 percent of the booked passengers actually show up for the flight. Find the probability that if the airline books 16 persons, not enough seats will be available.
to get a c in history nandan must average 74 on four tests. scores on the first three tests were 69 74 and 65. what is
How do hypothesis-testing procedures differ for the population mean when the population standard deviation is known or unknown? What is the relationship between two-sided hypothesis tests for means and confidence intervals?
a laptop manufacturer finds that the average time it takes an employee to load a laptop with software is 40 minutes
The amount of pyroxidine (in grams) per multiple vitamin is normally distributed with a mean = 110 grams and a variance = 25 grams. A sample of 25 vitamins is to be selected.
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