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According to thepoultrysite.com, the weights of broilers are approximately normally distributed with a mean of 1387 grams and a standard deviation of 161 grams. A grocery store wants only the top 80% of all broiler weights. What weight ( in grams) would seperate the lower 20% of broilers from the upper 80%?
Use the information above along with the Z table to find the Z score that you will use in this problem:
Use the Z score to calculate the actual weight (x). round your answer to the nearest whole number
Hits on a personal web site occur quite infrequently. They occur randomly and independently with an average of five per week.
What is the probability that his sales for November will be less than $100,000? Find the mean, variance, and standard deviation of the November sales.
The sales of the bicycle (in thousands of dollars) and also the levels of media expenditure (in thousands of dollars) during the test month are recorded. State the multiple regression equation.
What is the probability that the first order will come on the fourth sales call of the day? Please show work and round to 4 decimal places.
What is the probability of at least three hacker attempts during a month? What is the probability of a hacker attempt occurring every 15 days or less (assume a 30 day month).
A fast food arrives at a fast drive through rest restaurant 6 minutes after it opens and then the arrival times for the next four customers in order are 3minutes, 8 minutes, 2 minute, and 5minutes.
Assuming the manufacturer's claim is correct, what is the probability the mean of the sample is 12.22 ounces or more? Using your answer form part (a), what do you think of the manufacturer's claim?
a box contains tags marked 1 2 3... n . two tags are chosen at random. find the probability that the tags chosen show
Can you conclude that there is a higher proportion of U.S. companies offering high-deductible health insurance plans to their workers in 2006 than in 2005?
the daily demand for six-packs of coke at mr. ds follows a normal distribution with a mean of 120 and a standard
A stockbroker at Critical Securities reported that the mean rate of return on a sample of 10 oil stocks was 12.6 percent with a standard deviation of 3.9 percent. The mean rate of return on a sample of 8 utility stocks was 10.9 percent with a standar..
The flashlight batteries produced by Manufacturer X are known to have a mean life of 60 hours, with a standard deviation of 4 hours. At least what percentage of flashlights will have a life of 54 to 66 hours?
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