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Categorize as simple, random, sample, stratified/systematic sample, cluster/convenience sample.
1) List discharged hotel customers, divide them day their length of stay, and draw simple random samples from each group.
2) List discharged hotel customers, number the customers and use random number table to obtain sample.
3) Randomly select hotel customer from 4 geographic regions and include the discharged customers.
4) At the beginning of the year have each hotel survey their 300 customer discharged.
5) Have each hotel survey 20 discharged customers and send in the results for the week.
The number of viewers of American Idol has a mean of 29 million with a standard deviation of 5 million. Assume this distribution follows a normal distribution.
Create the estimated regression equation by calculating the values of b 0 and b 1
Determine the expected shape of distribution of sample mean? Compute the likelihood of choosing a sample with mean of at least $112,000?
Developing a linear programming problem using Commuter Bus scheduling to minimize the total cost.
The rest have no opinion. " Suppose that a a sample of 100 American adults is quizzed on the subject. What is the probability of the following events?
Determine SSE, SS (Total) and the explained sum of squared variation SSR and find the estimated y intercept slope and write the regression equation.
Findout the normal model for the given proportions. The professor has every student toss a coin 50 times also calculated the proportion
The probability of a player weighing more than 241.25 pounds on a team with the mean weight of 200 pounds and a standard deviation of 25 pounds is ??
Consider a multinomial experiment involving n = 300 and k = 5 cells. The observed frequencies resulting from the experiment are shown in the accompanying table, and the null hypothesis to be tested is as follows:
Suppose we select a sample of 40 tires and use a simulator to determine the tread life. What is the likelihood of finding that the sample mean is between 59,050 and 60,950?
In a large western university, 15% of the students are graduate students. If a random sample of 20 students is selected, what is the probability that the sample contains:
Describe what the researcher must do if one of the requirements is not met and give illustrations.
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