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Computing the probability values using normal distribution.
Each month, an American household generates an average of 28 pounds of garbage for recycling. Assume the variable is normally distributed with a standard deviation of 1.9 pounds.
1. If a household is selected at random, find the probability that it generates less than 30.2 pounds of garbage for recycling.
2. Find the percentage of homes that generate between 27 and 31 pounds of recycling per month.
The port of Trop can service only 1 ship at a time. However, there is mooring space for 3 more ships. Trop is a favorite port of call, but, if no mooring space is available the ships have to go to the next port.
Number of rescue calls received by rescue squad in city follows a Poisson distribution with mu = 2.83 per day. Squad can handle at most four calls a day. Determine the probability that squad will be able to handle all calls on a particular day?
You will actually have negative sales using this multiple regression analysis
What is the percent difference between the two amounts relative to the amount for mathematics majors (round to the nearest percent)?
Two semiconductor factories are being compared to see if there is a difference in the average defect rates of the chips they produce. In the first factory, 250 chips are sampled. In the second factory, 350 chips are sampled. The proportions of def..
A coin tossed 100 times and 530 heads appear. At a=0.05, test the claim that this is a non biased coin. Use a P-Value. does this suggest the coin is fair?
A ski company in Vail owns two ski shops, one on the east side and one on the west side. Sales data showed that at the eastern location there were 56 pairs of large gloves sold out of 304 total pairs sold.
Identify the following as either (a) observation, (b) parameter, (c) population, (d) sample, or (e) statistic: All employees at that place of employment.
Fully charge a 0.330 mF and a 0.650 mF capacitor when they are placed in parallel? How much charge flowed from the battery when the capacitors are placed in series?
It is believed that population standard deviation is 15 days. If test is conducted using a 0.05 level of significance, what conclusion must be reached?
In 1,000 samples, assuming that H 0 is true, how many times would you expect to commit Type I error if:
Conduct the hypothesis test and provide the test statistic, critical value and/or P- value and state the conclusion.
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