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In a recent survey, 72% of the community favored building a health center in their neighborhood. If 14 citizens are chosen, find the probability that (A) exactly 10, (B) between 8 and 12, (C) at least 8, (D) at most 7 of them favor the building of the health center. (E) Compute the mean, variance, and standard deviation for the variable "favored building a health center."
In a normal population with sigma=20, a random sample of size n gave X(mean)=56.53. At the 5% significance level, make a two-tailed test of the null hypothesis mu=50, when (a) n=24 (b) n=36
If Chebychev Inequality gives the lower bound for probability. For the present problem the lower bound for the probability is 0.75 and actual probability is 0.87.
Test whether there is any change in IQ after the training program (The absolute value of 1 for 4 degrees of freedom at 1% level for one-tailed and two tailed tests are 3.747 and 4.604 respectively)
Which of these measurement scales (nominal, ordinal, interval and ratio) can be handled through hypothesis testing? What are the five steps in hypothesis testing? Is the order important? Why or why not?
Use the SPSS output to determine if there is sufficient evidence to conclude that Sally bakes a better pie than Pat (i.e., the average rating for Sally at her church is higher than the average rating for Pat at her church).
More than 19 of them eat this brand of cereal 3) between 12 and 17 (inclusive) of them eat this brand of cereal? 4) find the mean and standard devation.
suppose that the moment generating function of a randon variable x is given bymxt22-t3what is the value of the
Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.
in a certain city 30 of the families have a mastercard 20 have an american express card and 25 have a visa card.
If we assume this is true, what is the probability that in a random sample of 700 undergraduate business students, 181 or more will major in accounting?
the allowed fee for wedding services is 425. one ceremony provider is suspected of charging more than the allowed
a consulting engineer receives on average 0.7 requests per week. if the number of requests follows a poisson process
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