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In a university A, about 52% of all students are male and 48% are female. We know 20% of male students and 5% of female students are engineering majors. Assume a student can only have one major. Randomly select a student from university A.
1. What is the chance the student majors in engineering?
2. Given that the selected student major in engineering, what is the chance that the student is a female?
3. What is the chance the selected student is a male who does not major in engineering?
4. Given that the selected student does not major in engineering, what is the chance that the student is a female?
Fifty rounds of a new type of ammunition was fired from a M-1, and the muzzle velocity of the projectile was measured. The sample had a mean velocity of 853 meters per second, with a standard deviation of 2.9 meters per second
Find a peer-reviewed article that provides an example of a study where the researchers utilized a one sample chi-square OR a two sample chi-square. Briefly describe the study and discuss its findings in your own words.
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Johnny Comlatey has 53% of votes among all voters in two-way race. Probability that newspaper's poll of 380 voters would forecast Johnny Comlatey's opponent the winner is?
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1.a scientist examined the effect of temperature and catalyst on the yield of a reaction. he ran the experiment at both
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