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A certain office building infrequently experiences power outages. It is known that the probability of a power outage on any given day is 0.005, and power outages are independent of each other.
a) What is the probability that during any given 400 day period there will be one day with a power outage?
b) What is the probability that power outages will occur on more than three days during the 400 day period?
In order to test the assumption of a Poisson distribution, a random sample of 150 ten-minute intervals was taken.
How strong is the evidence against the company's claim? Based on these data, the P -value of the appropriate test
Final step to be performed when testing hypothesis of population mean is to?
the median property tax rate per 1 000 value for state a is 21 .42. a family is considering moving to state b and
260 of them were manufactured by Asian automobile companies. Find the 95% confidence interval for this city's population proportion of vehicles made by Asian companies.
A doctor wants to know if there is a relationship between a father’s weight and his first newborn son’s weight. Perform a hypothesis test at Alpha = .01, using table I
What is the p-value associated with the sample results? What is your conclusion based on the p- value?
If a filled container of juice is selected at random, what is the probability that is is a nonconforming container and what is the probability that is was filled in machine II?
At the .05 level, you are testing whether there is a significant difference in the proportions of college students and similar aged non college students having accidents during the two year period. Is this a test of sample means or sample proporti..
Determining probability values using the Binomial distribution.Use the Binomial distribution to determine the probability that four or more of the contracts are in breach of the tendering guidelines.
the claim that the proportion of adults who smoked a cigarette in the past week is less than .30 and the sample
Using one proportion z test to find whether or not to support the claim - There is little evidence to reject H 0 , therefore they conclude the tvs are 20 pounds on average.
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