Chrome File Edit View History Bookmarks Profiles Tab Window Help 65% U.S. Q 8 Tue Jun 29 10:55 PM " Chapter 5 Section 2.2 - Homev x G A jar contains 10 red marbles, s x C webassign.net/web/Student/Assignment-Responses/submit?dep=26765470&tags=autosave#Q3 Apps Web Slice Gallery Imported From IE Destiny Kronos WORKFOR... Renaissance Place Scientific Graphin... Student Informati. TALX Paperless Pay Reading List 3. [1/4 Points] DETAILS PREVIOUS ANSWERS PODSTAT6COREQ 6.E.059. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Jeanie is a bit forgetful, and if she doesn't make a "to do" list, the probability that she forgets something she is supposed to do is 0.2. Tomorrow she intends to run three errands, and she fails to write them on her list. (a) What is the probability that Jeanie forgets all three errands? 0.512 X What assumptions did you make to calculate this probability? Events are independent v (b) What is the probability that Jeanie remembers at least one of the three errands? (c) What is the probability that Jeanie remembers the first errand but not the second or third? Need Help? Watch It Submit Answer 4. [-/4 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER JUN 296 Chrome File Edit View History Bookmarks Proles Tab Window Help I , . TueJunZQiOISSPM . Chapter 5 Section 2.2 Hom X Aiar contains 10 red marble.r X + o C 0 webassignnet i . " i . " ' r i 3' . I L) 3 9 Web Slice Gallery fj imported From lE e Destiny 6 Kronos WORKFOR... @ Renaissance Place 9 Scientific Graphin... 6 Student Informat @ TALX Paperless Pay Reading List Submit Answer 4. [-/4 Points] ASK YOUR TEACHER PRACTICE ANOTHER (a) If two marbles are selected at random with replacing between draws, what is the probability that the outcome is red then yellow? (Round your answer to four decimal places.) A jar contains 10 red marbles, 9 yellow marbles, 8 green marbles, and 3 blue marbles. (b) If two marbles are selected at random without replacing between draws, what is the probability that the outcome is red then yellow? (Round your answer to four decimal places.) (c) If two marbles are selected at random without replacing between draws, what is the probability that the outcome contains green and/or blue marbles only? (Round your answer to four decimal places.) (d) If three marbles are selected at random without replacing between draws, what is the probability that the outcome contains only green marbles? (Round your answer to four decimal places.) (e) If three marbles are selected at random with replacing between draws, what is the probability that the outcome contains no green marbles? (Round your answer to four decimal places.) 6 Chrome File Edit View History Bookmarks Profiles Tab Window I , .. TueJun29'lOISSPM . Chapter 5 Section 2.2 - Horn X Aiar contains 10 red marble.r X o C 0 webassignnet . .. . 1" i" , ' ' . . * L) 3 Apps 9 Web Slice Gallery fj imported From lE e Destiny 6 Kronos WORKFOR... e Renaissance Place 9 Scientific Graphin 6 Student Informati... @ TALX Paperless Pay Reading List ASK YOUR TEACHER PRACTICE ANOTHER A large number of adults are classied according to whether they were judged to need eyeglasses for reading and whether they actually used eyeglasses when reading. The proportions falling into the four categories are shown in the table. 6. [/4 Points] MENDSTAT15CR 4.2.030. ' Used Eyeglasses i for Readlng l i Judged on Need i Eyeglasses Yes No Yes 0.45 0.12 No 0.03 0.40 If a single adult is selected from this group, find the probability of each event. (a) The adult is judged to need eyeglasses. (b) The adult needs eyeglasses for reading but does not use them. (c) The adult uses eyeglasses for reading whether he or she needs them or not. (d) An adult used glasses when they didn't need them
