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The following data represent the response (Y for yes and N for no) from a sample of 40 college students to the question "Do you currently own shares in any stocks?" N N Y N N Y N Y N Y N N Y N Y Y N N N Y N Y N N N N Y N N Y Y N N N Y N N Y N N The standard error of the sample proportion of students who own stocks is:
a multiple choice quiz consists of 50 questions each with 4 possible answers. find the mean for the number of correct
in order to compare failure rates for two brands of tires a sample of 600 tires of brand a was taken of which 36
each of four persons named 1 2 3 4 fires one shot at a target. let ak denote the event that person k hits the target
A business finds the average cost required to complete a project is $416 with a standard deviation of $57. A sample of 36 project cost reports was selected at random.
The manager collected data on shelf space and weekly sales from a random sample of 12 equal-sized stores. For those data, SSR equals=19,607 and SST= 29,785. What is the standard error of the estimate?
Using sample, determine a 98% confidence interval for mean weight of whole daily output.
Assume that X and Y are independent. An English professor deducts 3 points from a student's essay score for each nonword error and 2 points for each word error.
Find the mean, mode, median, and standard deviation. (I understand this step). What percentage of items circulate between 11.06 and 15.57 days? Use normal curve and estimate
Anthony Flew (1968) recounted John Wisdom's Parable of the Invisible Gardner as follows:
Find the cumulative distribution function of X.- What is the probability that either four or five orders will arrive in a given week?
suppose a manufacturing company makes a certain item. the time to produce each item is normally distributed around a
question a researcher desires to estimate the difference in means of two populations. to accomplish this she takes a
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