In a particular college, it is estimated that 1/4 of the students drink, 1/8 of the students smoke and 1/10 of the students smoke and drink. a.) What is the probability that a randomly selected student smokes or drinks? b.) What is the probability that a randomly selected student does not smoke or drink?

A survey conducted on students of XYZ University reported the number of male and female students and their majors. The data obtained are given in the following table.   Science Politics Total Men 109 13 122 Women 10 23 33 Total 119 36 155 a. What is the probability that a student majors in Science?b. What is the probability that a student majoring in Science of or being a male?c. What is the probability that a student majoring in Sciences and is given that he is a man?

67% of LaGuardia students are female. A random sample of 6 students is to be selected. Let the random variable X be the number of female students in a sample.     a. What is the probability that out of 6 randomly selected students at most 2 are male?   b. Find the average number of female students per sample if a large number of random samples of 20 students were selected.

55% of all violent felons in the prison system are repeat offenders. If 38 violent felons are randomly selected, find the probability that   a. Exactly 22 of them are repeat offenders. b. At most 20 of them are repeat offenders. c. At least 20 of them are repeat offenders. d. Between 18 and 23 (including 18 and 23) of them are repeat offenders.

L American Airlines' flights from Chicago to Atlanta are on time 60 % of the time. Suppose 14 flights are randomly selected, and the number on-time flights is recorded. 1.The probability that at least 2 flights are on time is %3D 2.The probability that at most 2 flights are on time is 3.The probability that exactly 7 flights are on time is = > Next Question MacBook Pro %23 & 24 3.

61% of all violent felons in the prison system are repeat offenders. If 41 violent felons are randomly selected, find the probability that a. Exactly 24 of them are repeat offenders. b. At most 26 of them are repeat offenders. c. At least 22 of them are repeat offenders. d. Between 22 and 27 (including 22 and 27) of them are repeat offenders.

29% of all college students major in STEM (Science, Technology, Engineering, and Math). If 44 college students are randomly selected, find the probability that a. Exactly 10 of them major in STEM. b. At most 14 of them major in STEM. c. At least 12 of them major in STEM. d. Between 7 and 15 (including 7 and 15) of them major in STEM.

Suppose a math class contains 41 students, 19 females (two of whom speak French) and 22 males (three of whom speak French). Compute the probability that a randomly selected student is male, given that the student speaks French.