Help on the following questions

Given the matrix [4 1 7 8 12] answer the following questions by selecting an option from each drop-down list. a) What is the size (i.e. dimension) of this matrix? [Select] V b) Is the matrix a row matrix? [Select] V C) Is the matrix a column matrix? [Select] V cl) Is the matrix a square matrix? [Select] V roblem 4: (15 Points) 1. (10 points) From past experience, it is known that the number of tickets pur- chased by a customer standing in line at the ticket window for the BTS (Bangtan Boys: A South Korean Band) concert follows a distribution that has mean u = 2.5 and standard deviation o = 2.0. Suppose that few hours before the start of one of these concerts at DFW, there are 99 eager students from ENGR 3341 and their professor standing in line to purchase tickets. If only 240 tickets remain, use the cental limit theorem (CLT) and Q-table to find the probability that all 99 students and the professor (i.e. a total of 99 + 1 = 100 people) will be able to watch the concert together. 2. (5 points) Using Chebyshev inequality, calculate the percentage of observations (i.e. outcomes) that would fall outside 2 standard deviations of the mean. nswer to Problem 4:mad & & Putshis OpenStem - Google Dri. K 4721 Cabal Limit Theorem for | M C) Search Matbook Solution |Che x 1 Liveleak.com - UPS Dive Amor + contentcontentWrapperjspicontent_jd=_2249238T_1.bidaplayName-72.1+Central=Limit+Theorems for +Meantboopurse_id-_3175538_Spina/tem= contentBahrel= \\2Fwebapps? My San J for Means Question A high school track team has a grade point average of 3.36, with a standard deviation of 1.2. Their coach wants to identify the team members in the bottom 33%% for extra tutoring help. What is the grade point average that will mean that a track team athlete will be recommended for extra tutoring help if the coach examines just 32 of her athletes? Use the s-table below. 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 -0.7 0 242 0 239 0.236 0.233 0 230 0.227 0.724 0 221 0.218 0.215 0.6 0.274 0.271 0.268 0 10.261 8 0 255 0.251 0 248 0.245 0.5 0 309 0 305 0.302 0 798 0.295 029 0.288 0.284 0781 0.278 -04 0.345 0.341 0337 0.334 0.340 0 326 0.323 0.319 0.316 0.312 0.3 0 382 0.378 0.374 0371 0 367 0 363 0 359 0 356 0357 0 348 -0.2 0.421 0.417 0.413 0.409 0.405 0401 0397 0.394 0.390 0.386 Round the x-score, of , and I to two decimal places. Provide your answer below z -score : FEEDILACK MORE INSTRUCTION SUBMIT eA sample of size n is taken from a population with an unknown distribution, with mean u and standard deviation O. Which of the following statements about the sample mean distribution is true? Select one: 0 8. Using the Central Limit Theorem, X approximately follows X . Nu. b. Using the Central Limit Theorem, Xexactly followsx - Ntu. C. without Using the Central Limit Theorem, X approximately follows > . N p. =] 0 d Without Using the Central Limit Theorem, Xexactly follower . No