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The World Health Organization's (W.H.O.) recommended daily minimum of calories is 2600 per individual. The average number of calories ingested per capita per day for the US is approximately 2460 with a standard deviation of 500. If we take a random sample of 36 individuals from the US, what is the probability that the sample mean exceeds the W.H.O. minimum?
a) 0.066
b) 0.076
c) 0.046
d) 0.026
e) 0.086
f) None of the above
Connect the successive points by line segments to help see the pattern. Are there systematic effects of time remaining after we regress consumption on price?
Suggesting that the combined sample evidence tends to refute the hypothesis that the coin is fair. Explain this apparent discrepancy.
1000 tickets for prizes are sold for $2 each. Seven prizes will be awarded - one for $400, one for $200, and five for $50. Steven purchases one of the tickets.
Generate a training sample of size 100 for each class, as well as a test sample of 5,000 per class. (Best to generate the centroids matrices per class once and store them).
Construct a 95 percent confidence interval for the mean number of misspelled words in the population of student essays.
Downtown Fish Company believes that it has a market share of 25%. They survey n = 100 fish owners and ask whether or not Downtown fish is their regular brand of Fish food, of which 23 people say yes.
Assume the probability that a person has the desease is 0.03 for all people, independently of each other, and compute the expected number of tests necessary for each group.
Compute the following linear programming problem and describe the special case of a linear programming problem in which.
A regression model between sales (Y in $1,000), unit price (X 1 in dollars) and television advertisement (X 2 in dollars) resulted in the following function: = 7 - 3X1 + 5X 2 For this model SSR = 3500, SSE = 1500, and the sample size is 18...
X, Y, and Z are independent normally distributed random variables. The following information is known about these three variables:
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50 with a standard deviation of $5.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the follo..
The mean heart rate is 90 beats per minute with a standard deviation of 5. Find the 98% confidence interval for the true mean heart rate of all people with this untreated condition.
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