5

0.5820.5850.5500.5540.609Adult Females 0.5450.5440.6000.6380.6560.6000.6960.4240.4930.491Adult Males] 0.5630.5560.5220.5410.395Juvenile Females 0.5120.5560.5650.417...

Question

0.5820.5850.5500.5540.609Adult Females 0.5450.5440.6000.6380.6560.6000.6960.4240.4930.491Adult Males] 0.5630.5560.5220.5410.395Juvenile Females 0.5120.5560.5650.4170.429Juvenile Males 0.4860.4920.4750.4640.493

0.582 0.585 0.550 0.554 0.609 Adult Females 0.545 0.544 0.600 0.638 0.656 0.600 0.696 0.424 0.493 0.491 Adult Males] 0.563 0.556 0.522 0.541 0.395 Juvenile Females 0.512 0.556 0.565 0.417 0.429 Juvenile Males 0.486 0.492 0.475 0.464 0.493



Answers

Gender of Shoppers Twenty shoppers are in a check-out line at a grocery store. At $\alpha=0.05,$ test for randomness of their gender: male (M) or female (F). The data are shown here. $$ \begin{array}{l}{\text { FMMFFMFMMF }} \\ {\text { FMMMFFFFFM }}\end{array} $$

According to going close and let number off men on X and number off women Uh, white. So we can see here that the issue is the resource. Single men, single women. This is 119 So x divided by white This is 119 divided by 100. We can say that. Exited called toe 119 Why divided by hundreds Now the total is 1 to 9 times. So x plus y is a core do one doodle nine place so heading and 8119 way He waited by 100 plus way equal to one general +95 So this is 119 Why bless 100 way equal to 1095 might be played with one day. So this is 219 white equal Do one you know nine Flight 00 So here we're right. Why equal Do one general 9500 divided by 219 So when we will divide this, we would have We will write one. Judo 109 side 00 divided by 219 This is he called the 500. So why did you go to 500 then X is equal to 119 divided by 100. My deployed with 500 digital weaken cancer. 119 My deployed bit fight. This is equal to 595. So that means we can say that men, uh, live nine beats late and women are 500.

In this problem I can write the reaction and CST CH two managed to in perchance of action or two 0-5° integrate will give this compound CS three CH 20 H. And this component to denso. PBL three will give CST CH two beyond and this compound in pageants of GCN we'll give CST CH two M. C. And this component presence of AL I am at full well finally give CST CH two NHCS three. This is compounded by this is component so according to the option, option C it correct here, option siege, correct answer.

So in this problem, we're giving a data set of the number of doctors in different medical practices given there your sex or agenda. And so the first thing I did with some of the rules in the column so that we have the total number of practitioners by sex and buy a medical practice. You can see those results here, and I also found the total number of doctors scenes we're going to be asked. Several conditional property questions I wrote down based serums is since it's usually the best approach to solving these questions. So the first question is, if we picked out a doctor random, what's your probably do? That it's a male doctor, given that it's a pediatrician and using base there, and this would just be the probability. But Mel B. Mel doctor and a pet attrition invited by the probability that pediatrician and so looking at the table, we can find that the total number of male patricians no, the vibe, a little number of doctors, then for the total number pediatricians. We already calculated this in the first page and would do the same thing. These two numbers cancel out since under New married on the denominator, and then we're just left with this fraction, which we can approximate by changing into this simple form. So it's almost 1/2. You can do the same thing for a question to be, which is if we pick out a doctor. Random. What's the probability that it's a pathologist given that is female. So using based serums would be the probability, Miss Pathologist, and it's female, divided by the probability that's female. And so, uh, we can find these quantities in the table and in the first of page. So again we're dividing with a number of pathologists, another female divided for dividing that quantity by the total number of doctors and then in the denominator, probably do that. It's females, the total number off females divided by the total number of doctors. Again, the total number of doctors cancel out. We have this fraction, and this is, ah, a little more than a point in. We did this very same approach. We used a base there in Czar totals in previous page to cock played this probability, then questions. He's a little bit more open, and it was the sorry our path are being pathologist and female independent. So they're basically asking, just knowing that you selected a female change. Your probability that he selected a pathologist hence doesn't give you new information. So we already calculated the probability of being a pathologist, giving the that your female. So now we're going to just conclude the probability the person we select there's a pathologist and this is just a total number of pathologist invited by a whole number of doctors. It is around 0.15. So this is ah greater than the problem, but of being a pathologies given you're female by, like around, uh, for, uh, by around 0.4 So you could say doesn't tend to change. And so being female give you information, we could also look at the other way around. This being pathologist give you new information about being about being female to the problem you're selecting. A female is again total number of females divide about total number of doctors, which in this case, is around 0.4. And hence and then let's see if knowing that I'm selected pathologist, does that give us information, Mother, Probably that we selected a female so again, using ah based here. Um, this would be the home. Probably selecting a female and a pathologist. Sort of female. That is a pathologist. Invited by the probability of selecting a pathologist using our totals. This is again, becomes alone. And this is a round 0.30 wait. So in this case, it really does change the probability and so we can see that Ah, Path and FEMA are not independent.

Problem number 54 Reno that no, I possibilities. I think that there is no difference between the expected counts for male and females. So the number all, ah, number off any meals about this? The number old means ah, people too weren't working. Lost 17 run first I want to about 71 hole Russ. Sit in front seats she's equipped to with the right to a number of the meals. It worked, too, when one mine boss 1 50 bus for for seven Russ, 73 Bryant. But 117 for frequent two or six mental frying. The number of almost certain answer equals 21174 not 7563 people. One my. So the expected count is in the quota on the number off females and a proportion on old uncertain answer. In the population, there is equal toe six at the music store. Five. Brian Boy 1930. Well, where? Uh, for 877 which is a two. I want all 38 point wearing a user choice. Troisi


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