What is the possibility of being a student in our class among the women at the...
What is the possibility of being a student in our class among
the women at the university , i.e. What is the
P (Math class / F)??
We know 50% of the students at university are females, P (F) = 50%.
We also know there are 25 students in the class & university
has 5,000 students. Also, the P (F / math class ) = 40% , the
possibility of the females in the class is 40%.
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What is the possibility of being a student in our class among
the women at the...
There are 12 female students and 18 male students in a class. Every student independently has...
There are 12 female students and 18 male students in a class. Every student independently has a probability 0.3 of being a Math major. There are 14 Math majors in the class. Find the probability that among the Math majors, 6 students are female.
Problem 1: There are 8 males and 12 females in a class. If one student is...
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Questions 4- 7 refer to the following. Our Eco 320 course consists of sophomores and juniors. Ten percent of the...
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Suppose we have assigned grades for the 11 students in our data: Grade A for Students...
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B) Epidemiologists claim that the probability of
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identified
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new
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detecting
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of 0.925
for a negative result. If a 55-year-old Caucasian woman tests
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Please show full details steps for better understanding. Thank you. 2. A new vaccine has an...
Please show full details steps for better understanding. Thank
you.
2. A new vaccine has an 70% success rate for males and 40% success rate for females. Assume that there are about 50% females and males in the population. (a) [10 points] A randomly selected person from our class is given the vaccine, and the vaccine turned out to be effective. What is the probability that the person was male? (b) [4 points] What is the probability that the person...
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Problem 1 A dance class consists of 22 students, of which 10 are women and 12 are men. if 5 men and 5 women are to be chosen and then paired off, how many results are possible? Problem 2 A student is to answer 7 out of 10 questions in an examination. How many choices has she? How many if she must answer at least 3 of the first 5 questions? Problem 3 Prove that P(EnFc)-P(E)-P(EnF) Indicate the difference between...
Questions 4- 7 refer to the following. Our Eco 320 course consists of sophomores and juniors. Ten percent of the students who take Econ 320 fail the course. Among those students who pass, 25 % are sophomores. 7.5% of the students are juniors who failed the class. Of those who pass, 20 % will receive an A for the course. What is the probability that a randomly selected student will be a junior? (10 points) 4. 225 25 .675 70...
B) Epidemiologists claim that the probability of
breast cancer among
Caucasian women in their mid-50s is 0.005. An established test
identified
people who had breast cancer and those that were healthy. A
new
mammography test in clinical trials has a probability of 0.85 for
detecting
cancer correctly. In women without breast cancer, it has a chance
of 0.925
for a negative result. If a 55-year-old Caucasian woman tests
positive for
breast cancer, what is the probability that she, in fact,...
There are 40 students in a Quality Control class. To prepare for an upcoming test; • 21 students worked extra problems from the textbook. • 18 Students reworked examples from the lectures • 4 students worked both problems from the textbook and the lecture. If we know that a student has already worked extra problems from the textbook. What is the probability that the same student also reworked examples from the lecture?
Please show full details steps for better understanding. Thank
you.
2. A new vaccine has an 70% success rate for males and 40% success rate for females. Assume that there are about 50% females and males in the population. (a) [10 points] A randomly selected person from our class is given the vaccine, and the vaccine turned out to be effective. What is the probability that the person was male? (b) [4 points] What is the probability that the person...
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