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The cost of 5 gallons of ice cream has a variance 36 with a mean of 31 dollars during the summer. What is the probability that the sample mean would be less than 29.8 dollars if a sample of 39 5 gallon pails is randomly selected?
When the necessary conditions are met, a two-tail test is being conducted to test the difference between two populations proportions.
The mean age of adult learners in a chosen class of 31 students is 33.8 years. The standard deviation is equal to 7 years.
a certain disease is found in one person in 5000. if a person does have the disease the test will show a positive
assume that iq scores are normally distributed with a standard deviation of 15 points and a mean of 100 points. if 100
In a sample of n = 36 selected from a population, where X = 96 and S = 12, what is the value of tSTAT if you are testing the null hypothesis H0: µ = 100.
Perform the five-step hypothesis test on the data. - LORA - this is the portion I am responsible for based on using the nonparametric hypothesis testing.
Using the 0.99 confidence coefficient, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent.
Calculate the Average yield per acre, calculate the Standard deviation and explain the difference between a one sample and a two sample hypothesis test; provide an example of each.
At the 5 percent level of significance, does this sample prove a violation of the guideline that the average patient should pay no more than $250 out-of-pocket? State your hypotheses and decision rule.
what is the probability that there are exactly 6 girls among the first 10 and exactly 12 girls among the first 19
1. a candidate for one of ohios two u.s. senate seats wishes to compare her support among registered voters in the
What is the probability of getting the first questions correct and miss the fourth with five possible answers to each question?
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