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Based on our past history of winning bids on projects, the probability of winning the next contract to build a school is 0.40, to build a hospital 0.30 and to build both a school and a hospital is 0.20. What is the probability winning a contract to build either the school or the hospital? The school only? The hospital only?
In order to determine the sum of squares the distance between each data point and the line of the best fit is squared and then all of the squares are summed up. The line of the best fit will minimize this value?
What is the null and alternative hypothesis (in symbols) for this t-test and use the appropriate t-test statistic?
Suppose that you go out to sauerkraut pizza with two friends. you have agreed to the following rule to decide who will pay the bill. each person will toss a coin. the person who gets a result that is different from the other teo will pay the bill...
The analogous probability for the second signal is 0.49, and the probability that he must stop at at least one of the two signals is 0.75. What is the probability that he must stop
You calculate that their mean monthly rent is $613 and their standard deviation is $96. What are the degrees of freedom for a one-sample -statistic?
Give an example in health care management where you would use probability statistics to determine an outcome such as providing raises based on certain financial goals being met?
Shouldn"t say never, two have made it from maybe twenty. This one makes it, Does anyone know what the popular vote was.? What was the percentage for each leader?
Compute variance, standard deviation, range, interquartile range, CV, and minimum and maximum Z scores. Are there any outliers? Explain.
Survey to determine what proportion of new car buyers continue to have their car serviced at the dealership after warranty ends. Estimates 30% of customer do so.
Suppose that n trials of a binomial experiment result in no successes.
Identify the formal hypothesis testing process. Perform a hypothesis test of one proportion.
A contractor is considering a sale that promises a profit of $32,000 with a probability of 0.7 or a loss (due to bad weather, strikes, and such) of $9000 with a probability of 0.3. What is the expected profit?
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