Question 17 0/ 5 pts Suppose a sample of 95 students' scores is selected. The mean and standard deviation are 530 and 75. One student's z-score is -2.2. What's the student's score? Correct Answer 36 5 Question 21 0 / 5 pts One student bakes five cakes for sale each day as a part-time job. On 16% of the days, she sells only one cake. On 24% of the days, she sells two cakes. On 15% of the days, she sells three cakes. On 22% of the days, she sells four cakes. On the remaining days, she sells all five cakes. Assume that any leftover cakes are given away. Given that she sells more than 2 cakes on a day, what's the probability that she only sells 3 cakes on a day? O 23% You Answered O 41% 15% Correct Answer O 25%Question 22 O f 5 Pts Correct Answer A small real estate company located in New York City recently became interested in determining the likelihood of one of their listings being sold within a certain number of days. An analysis of company sales of 800 homes in previous years produced the following data: Days Listed Until Sold 31-90 days Initial _ . Under $150,000 Asklng Price $ 150,000-$ 199,999 20 $200,000-$250,000 20 Over $250,000 Total 100 500 200 800 What is the probability that the initial asking price is under $150,000 or the home will take under 30 days to sell? 103 '800 10 900 50/800 150/ 800 Question 27 0/ 5 D\" A university found that 10% of its students withdraw the introductory course. Assume we randomly selected 25 students who registered for the course. What is the probability that at least 6 students will withdraw the course? Correct Answer 33% Question 29 0/ 5 Pts A university found that 12% of its students withdraw the introductory course. Assume we randomly selected 20 students who registered for the course. What is the probability that more than 17 students will NOT withdraw the course? Correct Answer 67.7% Question 31 0 / 5 Pts There are 10 candies in a bag: 4 strawberry candies and 6 chocolate candies. When a kid picks a strawberry candy, he eat it. When the kid picks a chocolate candy, he put it back into the bag. Now the kid picks twice, what is the probability that he eat only one candy (keep 3 decimals)? Correct Answer 0507