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You are curious about the average number of yards Matthew Stafford throws for each game for the Detroit Lions. You randomly select 26 games and see that the average yards per game is 271.6 with a standard deviation of 32.08 yards. You want to create a 90% confidence interval for the true average number of yards per game he throws. What is the margin of error for this estimate?
1) 10.7307
2) 1.4518
3) 10.7466
4) 8.2817
5) 6.2914
Compute the Relative risk (RR) of ADR with Drug A compared to Drug B. Show all calculation. Interpret the RR value. Do you arrive at the same conclusion based on the OR estimate and RR?
The casino game craps is based on rolling two dice. Here is the assignment of probabilities to the sum of numbers on the up face when two dice are rolled:
Which are likely to be independent events? For those you think are not, suggest reasons why.
Probability distribution described by the following density curve and The expected value of the sum of the weights of the two oranges, in pounds
We have a deck of 52 playing cards. What is the probability of drawing?
The sample mean is 50, the t-critical value is 1.96, and the standard error of the sample mean is 2.
A better case can be made that observation 13 (Los Arboles) is an outlier. Describe what this means in plain terms.
To find out the prior probability, conditional probability and posterior probability. Calculate the posterior probability that the bid will be successful given a request for additional information.
Describe a specific application of statistics that either has a direct effect on you or your life.
Is it necessary to assume a normal distribution on the population to estimate the value of the mean spending per day? Explain.
Identify a research question from your professional life, research interests, or everyday experience that could be addressed by this analysis.
What is the probability that a simple random sample of 40 male graduates will provide a sample mean within $10,000 of the population mean, $168,000 (to 4 decimals)?
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