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Uoade9.0 $Hw #2NNathan alamantezFileHomeInsettDrawDesignLayoutReferencesMailings ReviewHelpTell me what You wantShareLammentsOFind Keplace(ambtiaAd -==42 21 X * A- ...

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Uoade9.0 $Hw #2NNathan alamantezFileHomeInsettDrawDesignLayoutReferencesMailings ReviewHelpTell me what You wantShareLammentsOFind Keplace(ambtiaAd -==42 21 X * A- 0 - 4 33331 ZaroracnAaBbCcD AaBbCcD AaBbC Aakbccl: AaB Norri # ND *04c= Heading HexcirigPesti [Dcopy 8Fomat PainterDlctetiGeledt -cipboaroSyylesEditingVoieresearcher randomly selects group of research subjects from the population of American citizens and asks Lhe subjects two questions: Do yuu consider yoursell _ religious person?&quo

uoade 9.0 $ Hw #2 NNathan alamantez File Home Insett Draw Design Layout References Mailings Review Help Tell me what You want Share Lamments OFind Keplace (ambtia Ad - == 42 21 X * A- 0 - 4 33331 Zaroracn AaBbCcD AaBbCcD AaBbC Aakbccl: AaB Norri # ND *04c= Heading Hexcirig Pesti [Dcopy 8Fomat Painter Dlcteti Geledt - cipboaro Syyles Editing Voie researcher randomly selects group of research subjects from the population of American citizens and asks Lhe subjects two questions: Do yuu consider yoursell _ religious person?" And Do yOu favor the legalization of same sex marriage?" In the sample, there were 869 people who considered themselves religious and 423 who did not: Ofthe religious subjects, 541 opposed same sex marriage. For the non-religious subjects, 43 opposed same sex marriage_ Prepare two way table for this data, What proportion ofall thc subjccts opposcd samc scx marriagc? What proportion of religious subjects favored same marriage? What proportion of" subjects who opposed 54me sex marriage religious? Aln What is the diflerence in proportion Of religious people who favor same sex marriage and non-religious people who favor same sex marriage? Page 2 of 2 2ddrde Vie "



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The graphs show changing attitudes toward gay marriage for the period from 2001 through 2015. (GRAPH CAN'T COPY) a. Write the slope-intercept equation of the line that models the percentage of the U.S. public that supported gay marriage, $y, x$ years after $2001 .$ Round the value of the slope, $m,$ to one decimal place. If necessary, round the value of the $y$ -intercept to the nearest whole number. b. Write the slope-intercept equation of the line that models the percentage of the U.S.public that opposed gay marriage, $y, x$ years after $2001 .$ Round the value of the slope, $m,$ to one decimal place. If necessary, round the value of the $y$ -intercept to the nearest whole number. c. Use the models from parts (a) and (b) to determine the year, to the nearest whole year, during which the percentage who supported gay marriage was the same as the percentage who opposed gay marriage.

In this question we're going to write to linear equations to represent the lines in the graph. And then we are going to use those two equations as a system of equations that can be solved 2001 is the starting year. So for the line, in part a the blue line I'm using the ordered pairs. Zero comma 35 2015 is 14 years later, comma 57. Okay. Yeah. Mhm. Having trouble getting my 57 to appear properly. Here. There we go. Let's find the slope. Why two minus Why one over X 2 -11 57 -35 is 22 and 22 divided by 14 is about 1.6 we were told to round uh one decimal place. Now I will use point slope form. Why -Y 1? Yeah, he pulls this slope times X minus X one distribute And add 35 to both sides. That's my linear model. That represents the percent that support. Let's use the ordered pairs for the red line, 0:57 and 14 years later comma 39. Okay. The slope is Why 2 -6 1 Over X 2 -11 39 -57 is negative 18 divided by 14 is -1.3 point slope form. Why minus Y one equals m Times X -11 distribute And add 57 to both sides. Here are the two linear models in order to find where they intercept in part C. Oops, just trying to get a little bit of just wanted a little more space and it went crazy on me. There we go. I can set The equation is equal to one another. 1.6 x plus 35 Equals negative. 1.3 x plus 57 Add 1 3 to both sides. Subtract 35 from both sides. Mhm Divide by 2.9 And we get 7.58. So that's approximately eight years. Yeah After 2001 which would make it The year 2009. Approximately that. Okay we can plug the eight back in To one of our equations negative 1.3 times eight plus 57 46.6%. Um of the people are that is when those the percent that oppose and the percent that Support are equal in the year 2009.

Giving here and we have to write any question for both who support game it and who? I don't oppose gay marriage. So here we see. In 2001 there was approximately 35% people who support the gay marriage. And here it was almost 58% off the U. S. People who support who are in opposing gay marriage now, and we have to first find a slope. So I'm writing an equation for who support gay marriage here. The slow pidge cedar intercepted here. We can simply say you can simplicity. And that is the slope. That is why you poor Knicks, that is. This is, uh this is the 20%. That is why upon X 20 divided way, this is 15. This is five by So so this is four by Tillie. So the slope is why it's Goto mx plus e. So why is going to end that a four by three x the deteriorate plus See where it is, that is 30 flight Or we can say I want to buy or 35. I'm writing you to define no for who are in opposing gay marriage. See the initial born that it's almost 58% and see the M. That is a slope that is 18 X. Here it is. Lie upon expected. Em is equal to y upon its that it's 18 upon 15. We can simplify a six away flavor. Now the question is, why is goingto m explosive voyage? Kal toh M 36 by five x plus e That is it is a negative slope. So we're gonna say, minus six. Firefight and see that is 58. So this is over the question. Listen for both decryption. Now we have usable de question that any question Number one and the question number two and flight the Yeah, in which both who support and who are in a pose are equally number. So I'm including here. Well, depression wage goto food by three X plus 35. This is a question one and 40 Question second wise minus six way flight. Rex last 58. No subject this minus dissolute complicitous Luca Minus. So this will Look, um, zero. This will wake up. No, I am doing here calculation dirty. So they divided by 15 reading both of them. That is 38. The very life 15 x minus Subject a lot of them There will be 23. So by simplifying we get X is equal to 23 multiplied with 15 divided by 38. So we have to calculate Would so x will weigh excellently the nine points It also that is not important. It was selling So in 2009 the board number in 2009 Boat, uh, equal in number who support and who are in a pose off. Get image Equipo equals supporting and opposing earned opposing. Give me ideas. No, we can see also From what off it. Also in 2000 and nine tomorrow Almost equal Amaro boot skates. Very supposing opposing and support. So this was over Gorsha.

In this question, we want to see if the average age off first marriage has increased in the past 40 years. First of all, what is going to be the appropriate hypothesis? We're assuming that it has not changed. This is Arnold hypothesis, so musical to 23.3. And if you don't know if it has changed So alternative hypothesis is that muse greater than 23.3? Now it has given that we have a random sample of 40 men who married for the first time in last year. Now the assumptions for the inference satisfied? Yes, it is random. The sample size is large enough. Sure, we can say that the necessary assumptions are satisfied. Then what is the approximate sampling distribution? It is going to follow 80 distribution And what will be the degree of freedom are in in this case is 40 en is 40. So our degree of freedom will be and minus one or a degree of freedom will be 39. Next. Describe the approximate sampling distribution this we have already done. Then comes the men in our sample. Married. Okay, Now we are given this information we are given the main. We're giving the standard deviation and then we already know it's 40 Now we simply substitute the values in here and the value that we get 40 statistic is 1.7 The T statistic that we're getting is 1.7 and the value is 0.14 p. Value turns out to be 0.1 falls. What is the confidence interval? What is the Alfa for this question? The Alfa is okay. Let's take it a 0.1 al 50.1. And since we see that B is r P value is greater than Alfa Way will say that we do not have enough evidence to reject the null hypothesis or we save that we do not have enough statistical evidence to say that the mean age has increased in the past 40 years For the first marriage, what exactly does the P value off zero point one? For me, it means that we have more than 10% chance orderto be exact. We have 14% chance off obtaining a T statistic off 1.7 or more. Extreme. This is the meaning off the P value now, what is the last one? What is our conclusion? We say that there is not enough evidence to say that the young people today are waiting longer to get married. And this is how we go about doing this question.

Yeah. Yeah. Mhm. Alright guys. So in this one um after reading the reading the whole paragraph here, I decided that the best research objective is to answer the question do U. S. Adults believe that having a baby outside of marriage is morally acceptable or molly brown? Um our sample is the 1000 us adults who participated in the survey are descriptive statistic is that 49% of those surveyed said that having a baby outside of marriage is morally acceptable. And our conclusion is that 49% of all US adults 18 years or older believe that having a baby outside of marriage is morally acceptable.


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