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1. What is meant by a finite population and how can this affect the sampling distribution of a mean or a proportion?
2. Under what circumstances is it desirable to use the finite population correction factor in describing the sampling distribution of a mean or a proportion?
It is estimated that 26% of all California adults are college graduates and that 31 % of California adults are regular internet users. It is also estimated that 20% of California adults are both college graduates and regular internet users.
In 1992, the FAA conducted 90,000 pre-employment drug tests on job applicants who were to be engaged in safety and security-related jobs, construct a 95 percent confidence interval for the population proportion of positive drug tests.
Find a 90% confidence interval for the variance of the diameters.- Find a 90% confidence interval for the standard deviation of the diameters.
a car company made a change to their fuel injection system that may improve gas mileage. to determine if this was the
business statistics questionin one season of 30 basketball games what would you expect is the longest streak of
The sample mean talk time was 315 minutes with a standard deviation of 24 minutes. Why can we say that the sampling distribution of x is approximately normal?
A random sample of 10 miniature Tootsie Rolls were taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were as follows:
sales 2363 2.1 advertising - 279 price - 136 unemplpyment r2 .76units of measurement sales is in product units
suppose that the proportions of blood phenotypes in a particular population are as followsa nbspnbspb nbspnbspab
The following data show levels of fertilizer use (lbs) and wheat yield (bushels) on repeated trials on a six acre plot.
Using Excel or any Regression Program, please run the sold price as a function of Lot Sqt, BR, and Age - also bring the computer output of the Regression.
What is the probability that all 6 of the households in her city being monitored by the TV industry would tune in to the new show?
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