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It is believed that 4% of children have a gene linked to juvenile diabetes. Researchers would like to test new monitoring equipment for diabetes. They hoped to have at least 20 children for their study, the researchers test 731 newborns for the presence of the gene linked to diabetes. What is the probability that they find enough subjects for their study?
sample mean = 3.5, standard deviation = 0.9. Use 98% confidence interval to evaluate difference in mean weekly deposits into IRAs for each bank.
ten determinations of percentage of water in amethanol solution yield x 0.552 and s 0.037. if mu is the true
What is the probability that separates the bottom 25 percent from the rest of the distribution.
In previous tests, baseballs were dropped 24ft onto a concrete surface, and they bounced an average of 92.84% in. In a test of a sample of 40 new balls, the bounce had a mean of 92.67 in.
A consensus of experts has agreed on the following table of potential NPVs and their likelihoods for a capital budgeting project that involves considerable uncertainty and is therefore risky:
Does this sample indicate that the insurance company should change its premiums because life expectancy has increased?
Based on the boxplots in part (a), which of the two groups, students or teachers, tends to have watch times that are closer to the true time? explain you choice.
Determine whether there is a difference in the mean weights of candies of different colors. Use the .05 significance level.
As a result of testing 20,00 electric bulbs manufactured by a company it was found that the lifetime of the bulbs was normally distributed with a mean of life of 2040 hours with standard deviation of 60 hours on the basis of the information estimate ..
What proportion of 330 cci cars fall between 26 to 30 miles per gallon range? Compute the percentage of each of the car models that get 30 or more mpg.
Using Chi-square table finding the P-value and interpret the result
discuss what satisfying assumption 1-3 for regression inferences by the variables under consideration would mean. an
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