Question

12:20 el Ayat Alnasser 10 Photos Select 9:03 AM Jy that a randoemly chosen dalmatisn has some hearing impainmenti thtX is equal to or greater thanI 0.22+0.08 03 id of dalmsatians are deaf in one or both can This ibs a very high proportion splained in port by the fact that beeeders cannot detect partial deafness Thestudy sugsested giving the dogs a hearing test befone considering the la chan 1. The latter probability here is P(X > 1) = P(X = 2-008 T a sricy greater thm X=l is included in" reater than or equal to" andisnot included in eicty greater than APPLY YOUR KNOWLEDGE .Soda comsumption. A survey by Gallup asked a random sample of American adults hut their soda consumption. Let's call X the number of glasses of soda consumed on a rypical day. Gallup found the following probability model for X 01 234+ Prohability 0.52 0.28 009 004 0.07 Consider the events A- (number of glasses of soda is 1 or greater B (number of glasses of soda is 2 or les) a) What outcomes make up the event A' What is P(A) b) What outcomes make up the event B! What is P(B)! c) What outcomes make up the event Aor B"7 What is P(Aor B)/Why is this pmobabiliry not equal to P(A) + P(B)? S Physically active high schoolers. The 2011 National Youth Risk Behavior Sur vey provides insight on the physical activity of high school students in the United States. Over 15,000 high schoolers were asked, "During the past 7 days, on how many days were you physically active for a total of at least 60 minutes per day?" was defined as any activity that increased heart rate. Call the re ponse X for short. The survey results give the following probablity model for X Physical activity Days Probability 0.15 008 0.10 0.11 0.10 0.12 0.07 0.27 9:03 AM

9.8

Answer A and b

Answer 1