Enrollment is 60 male. In a class of 20 students, how many males would you expect on average? Assume that this course is one required by all students.
1.12
2.10
3.8
4.15
Q. 2Find the probability of no more than two females in a random sample of five students if 60 of the school's enrollment is male.
1.0.3174
2.0.3456
3.0.6544
4.0.6826
Q. 3Find the probability of at least three females in a random sample of five students if 60 of the school's enrollment is male.
1.0.6826
2.0.3174
3.0.2304
4.0.3456
Q. 4Find the probability of at least one female in a random sample of five students if 60 of the school's enrollment is male.
1.0.50
2.0.9222
3.0.9898
4.0.2592
Q. 5Find the probability of exactly 1 woman in a random sample of 5 students if 60 of the school's enrollment is male.
1.0.2592
2.0.05184
3.0.0768
4.0.648
Q. 6How many ways can two defectives occur among 5 randomly selected parts? Assume the lot of parts contains at least two defective items.
1.25
2.60
3.5
4.10
5.the number of ways depends on the proportion of parts that are defective
Q. 7Approximately 60 of the school's enrollment is male. Five students are randomly selected. The number of women is recorded. What is x, the random variable of interest?
1.the number of females in the sample
2.the number of females in the population
3.the total number of students
4.the number of males in the sample
Q. 8Approximately 60 of the school's enrollment is male. Five students are randomly selected. Let x be the binomial random variable which counts the number of women in the sample. What is p?
1.5
2.0.6
3.0.4
4.the number of women in the sample
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