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Question 1 Not yet answered Points out of 1.00 \\V Flag question Question 2 Not yet answered Points out of 1.00 \\V Flag question Question 3 Not yet answered Points out of 1.00 \\V Flag nllnct'inn Time left 1209258 A farmer asked his son to collect data regarding the pigs in his herd, in terms of their size and also whether or not they are pink. The son checked all the pigs in the herd and found that, in general, 30% of them are small and 70% of them are large. In addition, he also figured out the following: I There is a 12% chance a pig is pink, given that it is small I There is a 4% chance a pig is pink, given that it is large What is the overall probability that a pig is pink, to 3 decimal places? Answer: Given that a pig is pink, what is the probability that it is small, to 2 decimal places? Answer: Given that a pig is pink, what is the probability that it is large, to 2 decimal places? Time left 1:00:32 Question 12 Let x be a random variable which represent the number of occurrences of an event over an interval of 10 Not yet minutes. We'll assume that the probability of an occurrence is the same in any two time periods of an equal answered length. We also known that the mean number of occurrences in 10 minutes is 5.3. Points out of 1.00 The random variable x satisfies which of the following probability distributions? Flag question Select one: O a. Poisson O b. Not enough information is given to answer this question. O c. normal O d. binomial Previous page Next pageTime left 1200117 Question 13 Let's say that are running a binomial experiment where p: 0.4 and the sample size of 50. The variance of Not yet this distribution is answered Points out of Select one: 1.00 a. 20 \\'7 Flag question b' 3'46 C. Not enough information is given to answer this question. d. 12 Previous page Next page 4 Complete Assignment CSD4 Question 18 Not yet answered Points out of 1.00 \\V Flag question Question 19 Not yet answered Points out of 1.00 \\V Flag question Assume the following probability distribution: x flx) 0 0.250 3 0.125 7 0.375 12 0.250 What would be the expected value of x? a. What would be the variance of x? 22.00 5.50 7.00 6.00 90.67 27.00 4.42 3.75 82.00 19.50 Time left 0:59:46 O d. 6.00 Time left 0:59:33 O e. 90.67 Question 19 What would be the variance of x? Not yet answered O a. 27.00 Points out of 1.00 O b. 4.42 Flag O c. 3.75 question O d. 82.00 O e. 19.50 Question 20 What would be the standard deviation of x? Not yet answered O a. 9.06 Points out of 1.00 O b. 1.94 Flag O c. 5.20 question O d. 4.42 O e. 2.10 Previous page Next pageQuestion 21 Not yet answered Points out of 1.00 \\F Flag question Previous page Time left 0159116 If the covariance of x and y is -'|3 and the variance of x and y are 25 and 49 respectively, what would the correlation coefficient of x and y be (to two decimal places)? Answer: Next page Question 22 Not yet answered Points out of 1.00 \\V Flag question Question 23 Not yet answered Points out of 1.00 \\V Flag question Time left 0:58:55 You have decided to camp out at the Oakland Center to study which fast food restaurants students eat at. Based on your observations, you find that there is a 0.30 probability that students eat at Panda Express. After collecting this data, you decide to ask random students leaving the Oakland Center which restaurant they ate at. (Assume that the students' choices follow a binomial distribution.) It you sample 15 students, what is the probability that exactly 3 of them ate at Panda Express? a. 0.200 b. 0.297 c. 0.703 d. 0.830 e. 0.170 It you sample 15 students, what is the probability that 5 or less students ate at Panda Express? a. 0.278 b. 0.794 c. 0.722 d. 0.333 6. 0.206 O d. 0.830 Time left 0:58:36 O e. 0.170 Question 23 If you sample 15 students, what is the probability that 5 or less students ate at Panda Express? Not yet answered Points out of 1.00 O a. 0.278 Flag O b. 0.794 question O c. 0.722 O d. 0.333 O e. 0.206 Question 24 If you sample 15 students, what is the probability that at least 5 students ate at Panda Express? Not yet answered Points out of 1.00 O a. 0.267 Flag O b. 0.515 question O c. 0.703 O d. 0.485 O e. 0.297Question 25 Not yet answered Points out of 1.00 \\F Flag question Question 26 Not yet answered Points out of 1.00 \\F Flag question Previous page Time left 0:58:19 The OU Rec Center took a survey of students using their facility, and found that students enter the Rec Center at an average rate of 30 students per hour. Assume that their entries follow a Poisson distribution. What is the probability that, during a given hour, exactly 30 students enter the Rec Center? (to 3 decimal places) Answer: What is the probability that more than 20 students enter the Rec Center during the next 30 minutes? (to 3 decimal places) Next page Question 27 Not yet answered Points out of 1.00 F Flag question Time left 0258205 You are planning to visit a haunted house to celebrate Halloween, and you have found 20 houses to choose from in the local area; out of those, 7 of them would cost over $25 to visit. If you select one of the 20 houses at random, what is the probability that it would cost over $25 to visit? a. 0.800 b. 0.650 c. 7.000 d. 0.280 e. 0.350 Question 28 Not yet answered Points out of 1.00 \\V Flag question Question 29 Not yet answered Points out of 1.00 \\V Flag question Time left 0:57:52 You are planning to visit a haunted house to celebrate Halloween, and you have found 20 houses to choose from in the local area; out of those, 7 of them would cost over $25 to visit. Let's assume that you randomly select 4 different houses to visit during each weekend night before Halloween. (Assume that your selection process follows a hypergeometric distribution.) What is the probability that exactly 2 of the 4 houses in your sample cost over $25? a. 0.899 b. 0.101 c. 0.874 d. 0.338 e. 0.662 What is the probability that less than 2 of the 4 houses in your sample cost over $25? a. 0.101 b. 0.439 c. 0.500 d. 0.561 e. 0.899 Ques'ion 29 What is the probability that less than 2 of the 4 houses in your sample cost over $25? Not yet answered ,\\ a. 0.101 Points out of 1.00 b. 0.439 VF\"? c. 0.500 question \\ d. 0.561 x e. 0.899 Question 30 , . . - N t t What is the probability that any of the 4 houses in your sample cost over $25? 0 ye answered Points out of 1.00 a. 0.439 'l'Flag a question b. 0.852 \\ c. 0.350 \\ d. 0.561 x e. 0.148