Recent content by mkir

Define "variation" to a beginner How do you define the word "variation" "variability" to a complete beginner, like myself. For Example, I understand 'R' explains how strong the linear relationship between the change in X and Y. But sometimes, let's Say R=.91, people will say the linear trend...

Hi, I'm stuck on this problem and I was wondering if you guys can give me any insights about it using methodological behaviorism to explain it. Your knee will jerk if something were to hit it. Is this because of your belief/desires? If it isn't, would going out with your friends to watch a...

Thanks guys, I get it now.

No, I don't know what the other distribution is.

Homework Statement The mailing list of an agency that markets scuba-diving trips to the Florida Keys contains 70% males and 30% females. The agency calls 30 people chosen at random from its list. What is the probability that the first woman is reached on the fourth call? (That is, the first 4...

So for b), would P(B|A) = (.7)(.6)/(.495) = 0.848 be correct?

Hi, I need some help with this question. Seventy percent of all Big Burger chain stores decided to advertise in their local newspapers. Of those chain stores that advertised in their local newspapers, 60% had an increase in sales. Of those chain stores that did not advertise in their local...

Ok, trying out the determinant idea, I got x = 2 and x = -1. Did I do it right?

Well, I haven't learned about determinants in class yet so I don't know how to do that. What we learned in class was to find pivots and if there are 1 or more free variables then it is linearly dependent.

Homework Statement For what values of x are the vectors, [1] [x] [2x] [1] [-1] [-2] [2] [1] [x] linearly dependent? Homework Equations The Attempt at a Solution I made a matrix, [1 ; 1 ; 2 ; 0] [x ;-1 ; 1 ; 0] [2x;-2 ; x ; 0] but I'm having trouble figuring...