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Let p be the population proportion for the following condition. Find the point estimates for p and q.
A study of 4728 adults from country A found that 2377 were obese or overweight. The point estimate for p, phat is ? The point estimate for q, q hat is?
What percentage of current customers would be eligible for the discount?
a. What is the probability that sales will be less than 80,000 packages?
3. The athletic department of the University of Colorado conducted a research to see how many students attended a home football game last season. The University has a population of 25,450, and the study showed that 870 of 1100 students sampled attend..
The population proportion of customers under age 21 is 0.68.
2. Perform a MANOVA. Using the "Activity 8.sav" data set perform a MANOVA. "Group" is your fixed factor, and LDL and HDL are your dependent variables. Be sure to include simple contrasts to distinguish between the drugs (group variable). In the same ..
A random sample of customer order totals with an average of $78.25 and a population standard deviation of $22.50. Calculate a 90% confidence interval fro the mean, given a sample size of 75 orders.
What are the assumptions made in performing the hypothesis test in Question 3? Are these assumptions reasonable? Provide explanation to substantiate your view.
Sammy the Statistics Student wanted to estimate the difference between the population average time of his AM(x1) and PM(x2) commutes. Using 40 AM commutes and 31PM commutes, he found a 95% confidence interval for the difference of mean times of 3 to ..
Use the Limit theorem to find the mean and standard error
The growth of bacterial colonies follows a Poisson distribution.
An urn contains white and pink balls. Six balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all balls drawn from the urn are white? ..
Davids ipod has about 10000 songs.the distribution of the play times for these songs is heavily skewed to the right with mean of 225 seconds and a standard deviation of 60 seconds. Suppose we choose an srs of 10 songs from this population and ..
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