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At a certain college, 45% of the students are female, and 17 % of the students major in civil engineering. Furthermore, 12% of the students both are female and major in civil engineering.
a) What is the probability that a randomly selected civil engineering major is female? Round your answer to 2 decimal places.
b) What is the probability that a randomly selected female student majors in civil engineering? Round your answer to 2 decimal places.
the presence of bacteria in a urine sample bacteriuria is sometimes associated with symptoms of kidney disease in
a binomial probability experiment is conducted with the given parameters. compute the probability of x successes in the
What are the assumptions of regression analysis and how do you evaluate them?
a coin is known to be either fair corresponding to the null hypothesis h0 p12 or has heads on both sides corresponding
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the oth..
A student receives test scores of 62, 83, and 91. The student's final exam score is 88 and homework score is 76. Each test is worth 20% of the final grade, the final exam is 25% of the final grade, and the homework grade is 15% of the final grade...
Determine the value of the standard deviation of the distribution of the sample mean of all possible samples of size 40.
an educational psychologist is interested in determining whether attitudes toward school change with age. she randomly
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in the powerballreg lottery the player chooses five numbers from the first field of 59 numbers and one powerball
He recorded the store's sales for those four Wednesdays and then recorded the store's sales for the four alternate Wednesdays, when the signs were not displayed. On the Wednesdays with the sign, the sales were 83, 73, 81, and 79. On the Wednesdays..
Problem: Let (X, Y) be jointly distributed inside the ellipse given by {(x, y) : ax2 + by2 = 1}. Find the marginal densities of X and Y and the conditional densities of Y given X and X given Y. Are X and Y correlated? Are they independent?
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