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The turkeys found in a county in southern Ohio have an average weight of 15.6 pounds with a standard deviation of 4.0 lbs. Forty-five turkeys are randomly selected for a county fair. What is the probabilty that the average weight of these turkeys is more than 18 pounds?
Use the information above to calculate the Z score. Round your calculation to the 2nd decimal place:
Now use the calculate Z score along with the Z table to find the probability that the turkeys' average weight is greater than 18 pounds:
Use the probability to answer the following question: Would it be unusual to randomly choose 45 turkeys and find that their average weight is more than 18 pounds?
The random variable x is the number of houses sold by a realtor in a single month at the Sendsom's Real Estate office. Its probability distribution is as follows.
Data follow. Use Excel to create the 90% confidence interval estimate of mean age of all of this magazine's subscribers.
What is the probability that the student is both a sophomore and a history major?
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My son plays for the Hooks and his average is .333. Therefore I am going to assume the probability of him getting a hit is .333 for each time he bats. In a recent game he batted three times.
q1. what is the purpose of sampling?a. to verify that the population is approximately normally distributedb. to
Will an SRS of size 1785 usually give a result p-hat within plus or minus 3 percentage points of the true population proportion? Explain.
Tom Smith wants to test the hypothesis that adult men have a mean weight that is greater than 150 pounds. Tom surveys the adult male members of his family and obtains 40 sample values
a 2007 study reported in science magazine stated that fifth-grade teachers scored a mean of 3.4 out of 7 points for
A group of 12 patients are given the medicine. If the claim is true, what is the probability that 8 have relief within a few minutes?
Utilizing a binominal experiment, that is each trail can be reduced to two outcomes, construct a binomial distribution.
What proportion of the adult men in United States are more than feet tall? (Hint: feet inches.) Round your answer to at least four decimal places.
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