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Sixty percent of the students at a particular community college are female. If 12 students at that community college are randomly selected, find the probability that 5 will be female. Use Appendix Table VII with p=0.6 or Excel function Binomdist(x,n,p,0) for Binomial distribution.
a scientist testifying before a congressional hearing on the effects of estrogenic pesticides told every man in the
what is the equation for the regression line if n 7 ?x 69 ?y 528 ?xy 4754 and x?sup2
Do these results suggest that the racial makeup of the faculty members is different from that of the students? (Use the .05 significance level.)
A package of frozen vegetables has a label that says "contents 32 oz." The company that produces these packages knows that the weights are normally distributed with mean 32 oz. and has a standard deviation of 2 oz.
If probability of drawing a face card is 0.625. Determine the probability of not drawing a face card.
Determine the standard error of estimate. Suppose a large sample is selected (instead of just five). About 68 percent of the predictions would be between what two values?
1. in an urn there are two balls one with the number 2 and one with the number 3. when you pick from the urn the chance
A statistician is interested in determining whether food preferences depend on the country. The data is presented below. What is the correct statistical test for analyzing the data?
mr. cotton has to give a lecture at 330. from past experience we know that mr. cotton will arrive from 1 minute early
The table below lists the number of audience impressions (in hundreds of millions) listening to songs and the corresponding numbers of albums sold (in hundreds of thousands).
a speculator is considering the purchase of a commodity that he reckons has a 60 of increasing in value over the next
selma purchased a dining room set for 2320 using a 12-month deferred payment plan with an interest rate of 21.92. she
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