Question 19 (1 point) How many different sandwiches can you make with 4 choices of meat, 3 choices of cheese, and 5 choices of condiments (pick one of each]? .;j" 60 ii" i} 12 .j" t] 30 :1" 120 You are the owner of an ostrich farm in Alabama. A neighboring farm has newborn ostriches for sale, and you are going to buy some to add to your farm. Let X be the age of the ostrich {in weeks) and y be the weight of the ostrich {in kilograms). Calculate your regression equation using the data below. Then, use that equation to predict the weight of an ostrich 30 weeks old. Round to the nearest hundredth. x1 5 111626 36 y 3442 6493 113 145 130.09 kg ("3. 127.71 kg 156 kg ("3. 158.09 kg Susan Meyer likes to study personality types. The personality types are broadly defined according to four main preferences. Do individuals usually choose similar or different personality types as their friends? The following data gives an indication. Similarities and Differences in a Random Sample of 212 Students from Unnamed University Number of Similar Preferences Number of Students All four 10 Three 75 Two 67 One 35 None 25 Use the data to estimate the probability that a student will have at least 1 similar personality trait in common. Round to four decimal places when necessary. {5:} 0.7 170 .::" 3:. 0.882 1 {5:} 0.165 1 if j. 0.1179 Question 22 {1 point) Increasing the standard deviation of a sample also increases the range of values in the confidence interval. cj i} True I: in False Question 23 {1 point) Saved If the correlation coefficient is 0 then there is a perfect correlation between the two variables. {it} True {:3} False Question 25 (1 point) The height of adult men in the United States are approximately normally distributed with a mean of 70 inches and a standard deviation of 3 inches, what is the probability that a randomly selected man will have a height between 61 and 70 inches? '1" t) 27% {'- t) 99.7% {rt} 49.85% {rt} 13.5%