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Forty-four percent of consumers with credit cards carry balances from month to month. five consumers with credit cards are randomly selected. What is the probability that all consumers carry a credit card balance?
in the health abc study 631 subjects owned a pet and 1978 subjects did not own a pet. there were 274 women among the
Use repeated systematic sampling to estimate the mean or total of a population of your choice. In the process of carrying out the survey and making the estimate, think about or discuss with others the following:
a simple random sample of 40 salaries of ncaa football coaches as a mean of 415953 and a standard deviation of 463364.
1. assume that event a occurs with probability 0.4 and event b occurs with probability 0.5. assume that a and b are
If the sample proportion is .45, and the standard error of the sample proportion is .035, the appropriate conclusion would be to reject 0 H?
Create a frequency distribution and histogram for this variable, and calculate the mean, median, and standard deviation. Describe how BankTen compares with other banks in terms of profits per employee.
Suppose you are at a gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: C(g) = 3.03 (g)
question a research study performed at checkout lines at publix supermarket in south florida revealed that between 4pm
What is the t-test statistic? Top Shelf Sales Volume 23 35 50 68 32 Bottom Shelf Sales Volume 55 70 72 51 63
find the z-score for the standard normal distribution wherepzlta
The variance of some data is 37.33 what is the standard deviation?
Which of the t-test methods are you going to use and why? Formulate the null and alternative hypothesis. Determine the criterion for rejection or nonrejection of the null. What is the t-statistic for this analysis
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