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Among the 4,000 people who come to your Public Health Clinic for care one-half of them are adults. Among the adults, 50 of them have chronic arthritis.
What is the prevalence of arthritis among the adults who come to your Public Health
It is known that the population mean number of weekly hours of exercise made by students from a certain university is normally distributed with a standard
"There is a 50% chance of rain today." Contact a weatherperson and ask him or her what this statement means. Does this explanation agree with yours?
The sample of 200 voters and tests Ho: P=0.5 versus H1:P(not equal)0.5 at 5% level. What is the power of the test if the true value of P is 0.55?
If it is possible to determine the probability that a sample of size 5 has an average amount saved in a 401(k) plan that is more than $115,260, do so.
What percent of the sample means will be greater than 162 seconds? What percent of the sample means will be greater than 153 but less than 162 seconds?
A marketing firm recently studied the number of times men and women who live alone that buy takeout dinners in a month. Two independent samples were taken one with 50 men and 55 women.
n american roulette wheel has 38 slots 18 are red 18 are black and 2 are green. let r be the number of spins until you
Consider a sample of size 3 drawn in the following manner. One starts with an urn containing 5 white and 7 red balls.
Find the expected value and standard deviation for a binomial random variable with each of the following values of n and p:- n = 10, p = 1/2.
The purpose of this research was to determine if there were any statistically significant differences in the average perceptions within these three groups.
A population has parameters µ = 242.9 and s=79.2 . You intend to draw a random sample of size n = 107.
What is the average number of callers waiting to place an order? (c) Ashleys is considering adding a second clerk to take calls. The store would pay that person the same $ 10 per hour. Should it hire another clerk?
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