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Assume IQ scores are normally distributed with a population mean of 100 and a population standard deviation of 15. A random sample of 64 individuals are randomly selected from the population.
What is the probability that the average IQ, from a random sample of 64 individuals, is greater than 102?
If the computed value for this problem is +2.33, and the level of significance is 0.05, can we conclude that the recall proportions for the two commercials are same?
Estimate the population mean
Assume the population standard deviation is 1.2 hours. The standard error of the mean is:
Using What's Best! (or Solver) determine the least-cost shipping schedule, where each of three (3) hardware vendors provide up to two hundred (200) units and each of six (6) buyers demand one hundred (100) units.
Suppose each employee in the company receives a $3000 raise for next year (each employee's salary is increased by $3000). The interquartile range of the salaries will
Compute the median number of dependents?
Which of the given is the example of a discrete random variable? Which of the given is an example of continuous random variable?
How large a sample should be taken if the desired margin of error is?
Answer all of these questions using R Commander. Include all graphs, outputs from R Commander.
Fit a multiple linear regression model for predicting the hospital duration using age, sex, body temperature, white blood cell counts, antibiotic use, blood culture and service
The heights of young women are approximately normal with mean 65 inches and standard deviation 2.5 inches.
What is the likelihood that none of the selected flights arrived within fifteen minutes of scheduled time?
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