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(20 pts) A class has three sections. Section has 70 students, 14 of whom received an...
There are three sections of English 101. In Section I, there are 20 students, of whom...
There are three sections of English 101. In Section I, there are 20 students, of whom 6 are mathematics majors. In Section II, there are 40 students, of whom 4 are mathematics majors. In Section III, there are 25 students, of whom 5 are mathematics majors. A student in English 101 is chosent at random. Find the probability that the student is from Section III given that he or she is a mathematics major.
Suppose a math class contains 25 students, 14 females (three of whom speak French) and 11...
Suppose a math class contains 25 students, 14 females (three of whom speak French) and 11 males (two of whom speak French). Compute the probability that a randomly selected student speaks French, given that the student is female.
suppose a math class contains 25 students, 14 females (three of whom speak French) and 11...
suppose a math class contains 25 students, 14 females (three of whom speak French) and 11 males (two of whom speak French. Compute the probability that a randomly selected student is male, given that the student speaks French.
A physics class has 40 students. Of these, 17 students are physics majors and 14 students...
A physics class has 40 students. Of these, 17 students are physics majors and 14 students are female. Of the physics majors, five are female. Find the probability that a randomly selected student is female or a physics major. . The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.)
6. Two sections of a class contain 50 students each who just did a midterm exam....
6. Two sections of a class contain 50 students each who just did a midterm exam. In the first section 90% of the students passed the exam, in the second section only 70% of the students passed. Two friends randomly chose a sections at enrolment, but chose 1 the same one. Here we assume that we pick two students independently at random with replacement (so there is some chance that two students can end up being the same one). a....
ms lest 23 pts possible by A physics class has 50 students. Of these, 18 students...
ms lest 23 pts possible by A physics class has 50 students. Of these, 18 students are physics majors and 12 students are female. Of the physics majors, three are female. Find the undi probability that a randomly selected student is female or a physics major Ec The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.) ity he Enter your answer in the answer box
A physics class has 40 students. Of these,14 students are physics majors and 18 students are female. Of the physics maj...
A physics class has 40 students. Of these,14 students are physics majors and 18 students are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major. The probability that a randomly selected student is female or a physics major is___. (Round to 3 decimal places)
In a course, 80% students who attended the lectures. For those students who attended lectures, the...
In a course, 80% students who attended the lectures. For those students who attended lectures, the probability of passing the exam is 0.9, whereas for those students who did not attend the lectures, the probability of passing the exam is 0.6. What is the probability of a randomly selected student in the class to pass the exam? b) Given that the person does not use pass the exam, what is the probability that the student did not attend the lectures?
3. Exam grades across all students across all sections of an introductory statistics class are approximately...
3. Exam grades across all students across all sections of an introductory statistics class are approximately normally distributed with a mean of 72 and a standard deviation of 11. Use the normal distribution to find answer the following questions. a. What percent of students scored above a 90%? b. What percent scored below 60%? c. If the lowest 5% of students will be required to attend an extra study session, what grade is the cutoff for being required to attend...
A physics class has 40 students. Of these, 15 students are physics majors and 17 students...
A physics class has 40 students. Of these, 15 students are physics majors and 17 students are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major. The probability that a randomly selected student is female or a physics major is nothing . (Round to three decimal places as needed.)
A physics class has 40 students. Of these, 17 students are physics majors and 14 students are female. Of the physics majors, five are female. Find the probability that a randomly selected student is female or a physics major. . The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.)
ms lest 23 pts possible by A physics class has 50 students. Of these, 18 students are physics majors and 12 students are female. Of the physics majors, three are female. Find the undi probability that a randomly selected student is female or a physics major Ec The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.) ity he Enter your answer in the answer box
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