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The annual per person consumption of Ice Cream is normally distributed with a mean of 16.5 lbs. and a standard deviation of 2.5 pounds. (U.S. Dept. of Agriculture)
A. Find the probability that a randomly person consumes more than 20 pounds of Ice Cream in a year.
B. If 36 people are selected at random and the average consumption is calculated, find the probability that the mean is less than 16 lbs.
Why is "rounding-down" the LP solution the suboptimal way to solve Integer programming problems? Can you describe why?
What is approximately the largest sample mean of another sample of n= 16 participants you would expect to obtain from this finite population?
He stuffs each letter into one of the preaddressed envelopes and seals them. What is the probability that each letter is in the correct envelope?
Over the interval 9.5 to 12.5 gallons per minute. Find the probability that between 10.0 gallons and 11.0 gallons are pumped during a randomly selected minute.
If the standard deviation of the amount spent on books is $8.42, find these probabilities for a randomly selected American. Put answer in percent form.
The results, in tons of force required for breakage, are as follows: Determine the mean, median, range, and midrange. Calculate the mean absolute deviation (MAD).
If random sample of 9 loads is selected for a weight check, determine the probability that mean weight of those loads is more than 40.60 tons.
Create a hypothesis and write out the eight steps used to apply a statistical test to your hypothesis.
How many questions must the test contain in order to reduce the standard deviation of Julie's proportion of correct answers to one-fourth its value for an 100-item test?
Explain and give examples of how the particular outcomes of a study can suggest if a particular threat is likely to have been present.
If the sample mean is 10.0 and the sample standard deviation is 0.15, find the 95% confidence interval estimate for the true mean.
Let x be a nilpotent element of the commutative ring R i.e. x^m for some positive integer m. Prove that x is either zero or a zero divisor
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