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Suppose an actual census showed that 20% of the households in Michigan have incomes in excess of $60,000. Assume that a random sample of 500 households in Michigan is taken. Then, the standard error of the sampling distribution of sample proportion of households who have incomes in excess of $60,000 will be:
let n be the set of positive integers and for each n ? nan x x is a multiple of na 5 find r such that ar a3 a5 .b 5
Such tv are randomly selected and checked to determine what is being watch. Would it be unusual to find that 954 of the 2500 tvs are tuned to eyewitness news?
in a group of 200 students. 95 passed probability 85 passed geography and 30 passed neither. what is the probability
two basketball players carmelo and jason independently attempt a free throw. the probability that jason makes his free
create a game of chance using a coin dice or a standard deck of cards. choose how to play the game and determine at
Determine the 95% confidence interval for your estimate what data have you utilized as the basis of your predictions what suppositions have you made.
The average monthly cost per household for groceries in kentucky is $625/mo with a standard deviation of $125/mo. The average age of the memebers in each of the households in Kentucky is 22.5 yr with a standard deviation of 5.175 yr. Which data se..
The Sony corporation produces a Walkman that requires two AA Batteries. The mean life of these batteries in this product is 35.0 hours. The distribtion of the battery lives closely follows the normal probability distribtion with a standard deviati..
Based on these data, what is the probability that next Christmas will be dry and based on the data,what is the probability that next Christmas will be rainy or cloudy and dry?
If 900 users visited the site, would the probability that more than 250 of them click on an ad be higher or lower than the answer found in part
Professor Jennings claims that only 35% of the students at Flora College work while attending school. The dean thinks that the prof. has underestimated the number of students with part-time or full-time jobs.
The average time a subscriber spends reading the Wall Street Journal is 49 minutes. Assume that the standard deviation is 16 minutes and the time are normally distributed .
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