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In a survey; 510 adults were asked if they drive a pickup truck and if they drive a Ford_ The results showed that 1 in 6 adults surveyed drives a pickup truck, and ...

Question

In a survey; 510 adults were asked if they drive a pickup truck and if they drive a Ford_ The results showed that 1 in 6 adults surveyed drives a pickup truck, and 3 in 10 adults drive a Ford. Of the adults surveyed that drive a Ford, 2 in 9 drive a pickup truck Find the probability that a randomly selected adult drives a Ford and drives a pickup truck

In a survey; 510 adults were asked if they drive a pickup truck and if they drive a Ford_ The results showed that 1 in 6 adults surveyed drives a pickup truck, and 3 in 10 adults drive a Ford. Of the adults surveyed that drive a Ford, 2 in 9 drive a pickup truck Find the probability that a randomly selected adult drives a Ford and drives a pickup truck



Answers

Pickup Trucks In a survey, 510 adults were asked whether they drive a pickup truck and whether they drive a Ford. The results showed that three in ten adults surveyed drive a Ford. Of the adults surveyed that drive Fords, two in nine drive a pickup truck. Find the probability that a randomly selected adult drives a Ford and drives a pickup truck.

In this problem, we have to study the giver. PayPal and uncertain cautions asked. The first question asked is What is the probability that randomly selected car is manufactured in America? The table shows day frankly, bright part PC brings to use. I'm ready. We need cross. It was all took even day. The survey was made off 16 participants. This is given in the caution that that said, Rivers made off 60 participants that this that your brain number off back Mr Prince, please 60. So the probe rapidly intake our randomly selected God. This man you think put me in America is given by be numb but off participants using American made cars, the twisting people divided, writing both the number of participants, which is 60. So Bricis equal. Do seven Divided by grandee Bread, please. The probability doctor randomly selected car is manufactured in America is seven divided by 20. The second question asked is bar percent off cars is manufactured in some country other than Japan. You finding a butt off cars ran? You think pretty's some friendly. I didn't a prime. We actually feet guarantees for the participants who drive car man effected in some country are good in Japan that this Franklin but last nine bitch is equal to look at me So person off course man, You think putting some country but good things up front is Cuba is the number of casts manufactured injured in some a country other than Japan that just cut me Be right in a right pickle print number off cars with this 60 my supplied by hundreds. So this is equal to 300. Be righted by six and great physical will do 50 passing Good, please. The percent of cars manufactured in some country that in Japan is 50%.

Problem. We need to use a chart to determine the probability. I didn't ask what's probability that a randomly chosen adult would, uh, favor auto racing. So to figure out probability, we dio want over total toe auto racing is what we want. So it's gonna be 100 and 79 according to the chart. And we know from the problem that the total number of people surveyed was 2237. So the probability of auto racing on to do they are is equal to 1 79 over 2237. If we put that a calculator, we're gonna get 0.8 uh, rounded to the nearest 100 s. We're gonna get eight point. I mean, it even goes to a couple of Destin places 8.0 percent chance of drawing that adult, um, to ask for percent. I asked her probability, said probability. I would write it as your 0.8 Okay. Thank you very much.

In this problem, we have to answer the cautious asked using the given circle graph. The first question asked this to estimating a butt off idols who give us public schools a B. It can be seen from the G. What's Alka graph that deposed some of the girls will give us public schools are B is frank before your son. So you experiencing a lot of adults who give B We take this drink before we are a very brave in bold print person. Just 100 and multiplied by the population. Off the adults. We'll give a grid. It is given dead. What, 1011. I don't but after grid Oh, this is a would do frank before counts on 264 divided by hungry. This is a quite do who thought we do by 64 bridges Approximately will do through 43 but this through for victory. Adults gave us public schools off B. Now the next question asked is to find people probability right? But I don't select at random will give the U. S. Public schools and A it can be seen from the given circle graph. That group will sink. I don't gave us schools and a so to find they require probably deep. We take this school nearby writing Total Person We chris 100. So this is it went toe one divided by 50 Britain's hour required. Probably now the next Russian asked is to find the probability that I don't selected at random will give the U. S public schools off c r A d and so we can see in Vicky. What sample graph the number sent off. Girls who came US public school say see crisp repeat group on Sunday. This mean for center for girls Who will give you rest? Probably schools or B is 12% resisted some off sense off I does will give us public schools are see already This is it will do 64. So to find a great probability reaping the 64 we righted Ready hotel person with this 100 so 64 divided by 100 this is equal toe 16 divided right. Bring any friends bridges over the quiet probability

Question number 50 in chapter five We're looking at probability and probability rules. And this question says to conduct a survey in your school by randomly asking 50 students whether they drive to school. Based on the results of the survey, approximate the probability that are randomly selected student drives to school. So based on a survey At this school asking 50 students were just simply asking them dr or not drive and we'll just say dr compliment. Well out of the 50, who were asked Dr and 14 do not drive. That is our 50 total students. And in order to calculate the probability that are randomly selected student drives to school, We're gonna take the total number of students who said that they drive to school, which is 36, divide that by 50. We get 18/25. We can also approximately this as a decimal 2.72. Now this is 50 students out of a large school and this is definitely not going to be the exact answer if I had to um if I had to bet on it, However, it gives me a good approximation. Now, if I wanted to get the actual answer, I could go to every single student in the school and ask, but that's gonna take time. That's just gonna be too hard to obtain. So we oftentimes take samples to estimate something greater.


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