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The extract of a plant native to Taiwan has been tested as a possible treatment for Leukemia. One of the chemical compounds produced from the plant was analyzed for a particular collagen. The collagen amount was found to be normally distributed with a mean of 71 and standard deviation of 5.6 grams per mililiter. Round all answers to 4 decimal places.
(a) What is the probability that the amount of collagen is greater than 69 grams per mililiter?
(b) What is the probability that the amount of collagen is less than 71 grams per mililiter?
(c) What percentage of compounds formed from the extract of this plant fall within 1 standard deviations of the mean?
A Department of Transportation survey showed that 60% of U.S. residents over 65 years of age oppose use of cell phones in flight even if there were no issues.
The population average for SAT score is 1020, with a population standard deviation of 100.
What is the minimum mean score that you could have after the next? quiz? If you get a score of 100 on the next? quiz, your new mean would be 105
Does lovastatin reduce the risk of heart attack? Researchers gave lovastatin to 2,325 people and an placebo to 2,081 people. the average age of both groups in 58 years.
Use the frequency? distribution, which shows the number of American voters? (in millions) according to? age, to find the probability that a voter.
derive expression of slope at support and deflection at centre of simply supported beam with centre load
We assign 12 students randomly to each of the four possible cells in the design and obtain a score for each subject on the same 50 point test at the end of the semester.
For which of the concerns would the p-value for a test be useful to have? Explain why in each case.
Test to determine if there is a significant negative relationship between the independent and dependent variable at alpha=.05 and .01.
HI6007 SPSS - Do a frequency table, histogram, normal Q - Q and the de-trended normal Q-Q for each one of the 11 variables and Do descriptive statistics
The standard deviation was 2. At α = .10, is the number of years' experience of the taxi drivers really less than the taxi company claimed?
We toss an unfair coin 100 times in a row. We play according to following rules: If tail: +$1 If head: -$1.45 P(head=0.4) Estimate chances to earn at least $3 at the end of this experiment.
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