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Starting with a hypothetical population of 14,000 people and an even age distribution (1,000 in each age group from 1-5 to 66-70 years), assume that the population initially has a total fertility rate of 2.0 and an average life span of 70 years. Using the spreadsheet for exercises 1-3, estimate how the population will change from this generation to the next under each of the following conditions.
a. Total fertility rate and life expectancy remain constant.
b. Total fertility rate changes to 4.0; life expectancy remains constant.
c. Total fertility rate changes to 1.0; life expectancy remains constant.
d. Total fertility rate remains at 2.0; life expectancy increases to 100.
e. Total fertility rate remains at 2.0; life expectancy decreases to 50.
F. Total fertility rate changes to 4.0; life expectancy increases to 100.
For the following scores, find the (A) mean, (B) median, (C) sum of squared deviation (d) variance, and (e) standard deviation:
Assuming the term project is there. Given that he searches on disc 1 but cannot find your thesis, what is the probability that your thesis is on disc i for i = 1,2,3,4.
Construct a relative frequency distribution for the weights of regular Coke by starting the first class at 0.7900 lb. and use a class width of 0.0050 lb.
Find the β risk and power assuming that the true mean is really 380 square feet per gallon. (b) Construct a left-sided power curve, using increments of 5 square feet (400, 395).
4 7 7 5 2 9 7 6 8 5 8 4 1 5 2 8 7 6 6 9. (a) Determine three quartiles and (b) draw box-and-whisker plot of the data.
A random sample of 15 customers is selected, and the results are as follows: 8.02 4.08 5.79 8.73 5.47 5.64 8.01 10.49 8.35 5.9 9.66 9.91 3.82 6.68 6.17 a) calculate arithmetic mean, median, mode, first quartile and third quartile.
In studying the performance of the comapany's stock investments over the past year, the research manager of a mutual fund company finds that only 43% of the stocks returned more than the rate that had been expected at the beginning of the year.
Apopulation consists of individuals whose weights are uniformly distributed between 100 and 175 pounds. What is the probability level for this distribution?
A five-year old study claims that selling prices of new homes / condominiums in the New York area have a normal distribution with mean = $180,000 and standard deviation = $40,000.
Determine and interpret a 95% confidence interval for the mean amount of time Americans age 15 or older spend eating and drinking each day.
Iif two voters are randomly selected for a telephone survey, what is the probability that they are both Republicans? Round your answer to 4 decimal places.
What is the p-value associated with the sample results? What is your conclusion based on the p- value?
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