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a) What is the probability of randomly selecting a person who is conservative and then selecting from that group someone who is a nursing major?
Contingency table results:Rows: Q13 What best describes your political philosophy?Columns: Q9 What is your college major?Business Legal Nursing Other Psy TotalConservative 4 2 11 3 6 26Liberal 1 1 7 4 10 23Moderate 9 1 16 9 15 50Total 14 4 34 16 31 99
Chi-Square test:Statistic DF Value P-valueChi-square 8 6.303782 0.6132
b) What is the probability of randomly selecting a liberal or a male?
To findout the point estimate of the difference among population mean. Elucidate the percentage increase in the number of days on the disabled list.
Suppose the company that has produced "Get Slim X" now produces an even better diet pill. This new and improved version is called "Get Super Slim X."
What control chart(s) would you use for this data and what are the final control limits?
The weight of cans of fruit is normally distributed with a mean of 1,000 grams and a standard deviation of 50 grams. What percent of the cans weigh 860 grams or less?
At.05 level of significance, is there sufficient evidence to conclude that difference exists between proportion of cats and proportion of dogs which sleep more than 10 hours per day?
510 people were asked which of four fast food restaurant were their favorite. Determine if there is a preference for any one place over any other.
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
What measure of central tendency is most sensitive to skewness and which is least sensitive? What are measures of central tendency used for? What are measures of dispersion used for?
Construct a confidence interval for the population proportion p, given n = 182, x = 135; 95%. Suppose the random variable X has a normal distribution with mean 9.0 and variance 49. The probability that X takes on a value of at least 18 is approxim..
At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?
A group of sheep, infested with tapeworms, are randomly divided into two groups as follows. Each sheep is assigned a number (1 through 20) and then 10 numbers
You are testing the null hypothesis that there is no linear relationship between two variables, X and Y. From your sample of n=10, you determine that r=0.80.
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