Quantitative Methods Homework Help

8. In what year was Heidi born? 1. Heidi's daughter was born in 1960 when Heidi was 28 years old. 2. Heidi's birthday and her daughter's birthday are exactly six months apart.

Is xy < 15? 1. 0.5<x< 1, and y² = 144 2. x<3,y<5 A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question

10. How many hours were Fran and Fred away from home? 1. They left at 9.30 am on Monday and returned at 9.30pm on Friday. 2. Their home was empty for exactly four days.

7. Fifty percent of the articles in a certain magazine are written by staff members. Sixty percent of the articles are on current affairs. If 75 percent of the articles on current affairs are written by staff members with more than 5 years experience of journalism, how many of the articles on current affairs are written by staff members with more than 5 years experience? 1. 20 articles are written by staff members. 2. Of the articles on topics other than current affairs, 50 percent are by staff members with less than 5 years experience.

5. A team of workers including Tom and Dick work in the same office according to a schedule that ensures that exactly two team members will be present at a given time, and that in the course of the week all the team members work an equal number of hours. What is the probability that a visitor to the office who doesn't know the schedule arrives to find both Tom and Dick in the office? 1. The team has three members. 2. Tom and Dick worked together for the whole of the previous day.

5. Are the integers x, y and z consecutive? 1. The arithmetic mean (average) of x, y and z is y. 2. y-x=z-y

7. A certain straight corridor has four doors, A, B, C and D (in that order) leading off fromthe same side. How far apart are doors B and C? 1. The distance between doors B and D is 10 meters. 2. The distance between A and C is 12 meters.

5. What is the slope of line 1 which passes through the origin of a rectangular coordinate system? 1. The line does not intersect with the line y = x + 2 42. The line passes through the point (3,3)4J