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A life insurance policy has determined that each week an average of seven claims is filed in its Nashville branch.
what is the probablity that durning the next week exactly seven claims will be filed?what is the probablity that next week no claims will be filed?what is the probablity that next week fewer than four claims will be filed?what is the probablity that next two weeks exactly seveteen claims will be filed?
What I need are relevant questions for a survey questionnaire that will be valid for testing each of 3 hypotheses. Include the variables tested.
If we test to see if this is evidence at the 1% significance level that the cost of attendance has increased what is the p-value?
With this information, by constructing a 2 by 2 table, compute the predicative value positive and predictive value negative of the ELA in hypothetical population of 1000000 blood donors.
Set up the null and alternative hypotheses for Coca-Cola. In terms of Coke's decision to introduce the new bottle or not, what is a Type I error?
The engineer in a widget factory wants to test out a new form of raw materials. So a batch of widgets are made in the old manner as a control group and then a batch are made with the new materials as a comparison.
Total housing costs as a percent of monthly income, five years ago and now. The information is reported below. Is it reasonable to conclude the percent is less now than five years ago?
Over the past 50 years, the number of hurricanes that have been reported are as follows: 9 times there were 7 hurricanes, 14 times there were 8 hurricanes, 19 times there were 11 hurricanes, and in the remaining years there were 14 hurricanes. Wha..
Suppose that 30% of all adults in Ohio support the increase. The probability that at least 800 people support the increase is?
High principal has decided to give an award to any student who scores in the top 10% of statewide scores. How high should a student score be to win this award? Give your answer to the nearest integer.
Your friend tells you that the proportion of active Major League Baseball players who have a batting average greater than .300 is greater than 0.56, a claim you would like to test. The hypotheses for this test are Null Hypothesis: p ≤ 0.56, Altern..
A company sampled 40 of the springs that it manufactures for use in small engines and discovered that 20% of the springs did not meet specifications.
Here are the shopping times (in minutes) for a sample of shoppers at a particular shoe store: 25, 38, 34, 41, 37 and find the standard deviation of this sample of shopping times. Round your answer to at least two decimal places.
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