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In a study was conducted concerning the relationship between pet ownership and physical activity in older adults. Of the randomly sampled individuals, 65 subjects reported that they owned a pet while 199 reported that they did not own pet. Give a 99% confidence interval for the proportion of older adults in this population who are pet owners. In the following use 4 decimal places.
a) What is the lower limit of the confidence interval?
b) What is the upper limit of the confidence interval?
the rent for a one-bedroom apartment in southern california follows the normal distribution with a mean of 2250 per
Illustrate what decision should be made depended on the mini-max regret criterion. Decision based on the Mini-max criterion.
Calculate chi-square for the cross-tab. Show your work. Is there a statistically significant relationship between these variables?
in a company emails sent from one employee to another are tracked as follows mr. cooper sends 3 emails to mrs. sanders.
Decileter and standard deviation of 41 mg/dl. in an srs of 100 men what is the probability that x bar takes a value between 185 and 191 mg/dl?
we estimate the mean price of a cell phone in the bay area using a 95 level of confidence. from a random sample of 25
Find the probability that x is less than or equal to 8 using the normal approximation to the binomial and what is the probability that less than 7 of the calculators will be defective?
a fast food franchiser is considering building a restaurant at a certain loaction. according to a financial analysis a
Computer science instructor, 3 statistics instructors, and 4 science instructors. If an instructor is selected, find the probability of getting a science instructor or math instructor.
the following data lists the average monthly snowfall for january in 15 cities around the us26 6 5 45 44 10 39 33 15 33
1. consider the random variable x with the probability mass function pie-22iiwhat is px0?2. consider a fair coin. we
each year ratings are compiled concerning the performance of new cars during the first 90 days of use.suppose that the
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