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A large candy manufacturer is concerned that the mean weight of their bag of Gooey Sour Worms is not greater than 7.3 ounces. It can be assumed that the population standard deviation is .5 ounces based on past experience. A sample of 169 gummy worms is selected and the sample mean is 7.35 ounces. Using a level of significance of .10, is there evidence that the population mean weight of the candy bars is greater than 7.3? Explain.
Find the sample size for the 95% confidence interval used to estimate the population proportion.
Probability of a flush. Poker player holds flush when all 5 cards in hand belong to same suit (clubs, diamonds, hearts, or spades).
The so-called "Gambler's Fallacy" makes the mistake of not recognizing:
Then use ogive to estimate median and first and third quartiles. Also utilize it to reply following question: What percent of 60 mutual fund loads are less than 75.
Calculate chi-square for the cross-tab. Show your work. Is there a statistically significant relationship between these variables?
In a normal frequency distribution, 32% of the cases:
If W denotes the total number of spaces one moves under these special conditions, find the mean and standard deviation of W.
Given length an athlete throws a hammer is a normal random variable with mean 50 feet and standard deviation five feet, what is the probability he throws it: Between 50 feet and 60 feet.
Find out the following probabilities. Probability that exactly 27 items will be good.
To find weighted aggregate price index using Laspeyres and Paasche method.
Create the estimated regression equation by calculating the values of b 0 and b 1
Find out sample standard deviation (s) of scores Gordon Golfer made on his last four rounds (determine to the nearest one tenth, or .1).
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