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For a local charity, the donations in dollars received during the last month were 5, 10, 15, 20, 25, 50 having the frequencies 20, 30, 10, 40, 50, 5. Compute the mean, variance and standard deviation.
1. a random sample of 16 size d batteries for cars yield a mean of 2.8 hours with standard deviation 1.3 hours.a find
a doctor studies the side effects of a drug on male and female. following data was obtained for a random sample of 300
If 14 citizens of the neighborhood are chosen. A. Find the probability that exactly 12 of them favor building the police substation.
In random samples of 25 from each of two normal populations, we found the following statistics: Estimate the difference between the two populations means with 95% confidence.
Compute the probability of exactly 0,1,2,3,4, and 5 arrivals per day.
Determine the calculated value of the test statistic? What distribution does test statistic have when null hypothesis is true?
If the proportion of people with a certain illness who recover under a given treatment is actually .8, what percentage of sample proportions obtained from repeated samples of size 64 would be between .7 and .9?
The Mumbai Cricket Club, a professional club for the cricketers
Develop an appropriate forecast model for the given problem whereas the student population has remained constant during this period.
What is the probability an advertising firm selected at random has under $1 million in income after taxes? (Round your answer to 2 decimal places.) - Determine the probability distribution for the number of Hondas in a sample of three cars chosen ..
If a random sample of 10 people found that 9 were pro-life (i.e., 90%), while another random sample of 1000 people from the same population found that 550 were pro-life (i.e. 55%), which would you find to be more significant? Why?
gulf real estate properties just signed contracts for two new listings a gulf view condominium with a list price of
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