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The mean number of flaws per 100 m of material produced on a certain machine at Blanktown Fabrics is 2. If flaws occur randomly, find the probability that in 50 m of material there will be less than 2 flaws.
The Absent Minded Professor study was a RCT, which had an objective to estimate the protective effect of drug "No-Reminder" compared to drug "Reminder" on risk of "Forgetful syndrome". The study found that the drug "No-Reminder" was protective.
Compute the mean and standard deviation of the scores and use these for the calculations below. Show your calculations on the back of his page.
The response time for Denver police to respond to emergency calls is 8.4 minutes with a standard deviation 1.7 find the probability that the response time for a call between 5 and 10 minutes.
Determining probability when guessing answers. Test comprise of multiple- choice questions each having 4 possible answers (a, b, c, d) one of which is right. Suppose that you guess answers to six such questions.
What are the best-case and worst-case outcomes the owner may face on this product if she implements your suggestion?
Chi-square test for independent of attributes - A random sample of students is interviewed to determine if there is an association between class and attitude toward corporations?
If measurements are made over span of 9 months, and results are averaged, find out the probability that neighbourhood is considered unsafe?
Test hypothesis that calories of two populations are equal. Illustrate all steps of the hypothesis testing process. Points will be deducted for missing parts.
A random variable X is normally distributed with mu = 60 and standard XXX = 11. What is zscore for X = 71
Describe why the normal distribution can be used as an approximation to binomial distribution. What conditions should be met to use the normal distribution to approximate the binomial distribution? Why is a correction for continuity essential.
What is the mean and standard deviation of the sampling distribution when we take all samples of size25?
Calculate the paired sample t statistic for these mood scores and How has the relation between the mean and the median changed? What does this suggest about the distribution of the transformed data?
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