Exercise 6Supposerandurly select 100 peoplefrom Texas and 100 people for Rhode alsland.We combine these into a Sample of 200.Next me randomly select 1this Sample-WepersenLet A he the event that theperson is fun Texas.in frB he the ment that thehas heen to a Rodeo.INfrompersonExpressEnglish what these terms mem.1. P(B/A) 2. P(B/A² ) 3. P(B²/A²)Now, Suppose p(B/A) = . 8 P(B/A²) = -1what is P(A²/ B²) ?Hint: use lawy totul probombility to find P(B²)

Answered: Image /qna-images/answer/f7c1738b-e4bf-4d17-a6d9-6e28223b1146.jpg

Answered: Exercise 6 Suppose randurly select 100…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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a code is made by selecting 7 different letters, one after another, from the 26 letters in the english alphabet. wheat probability weight should be assigned to each code? a. 1/P(26,7) b. 1/C(26,7) c. 1/26^7 d. 1/7^26 e. none of these are correct f. 1/182
Which of the following is most likely a population as opposed to a sample? A Every third person to arrive in the hospital B Registered nurses in 2007 © Respondents to a newspaper survey D First five nurses completing their duties
As part of a statistics project, a teacher brings a bag of marbles containing 700 white marbles and 300 red marbles. She asks her students to determine how many red marbles are in the bag without counting them.A student randomly draws 100 marbles from the bag. Of the 100 marbles, 33 are red.The target population consists of The 100 marbles drawn by the student The 1000 marbles in the bag None of the above The 33 red marbles drawn by the student The 300 red marbles in the bag The sample consists of The 1000 marbles in the bag The 100 marbles drawn by the student The 33 red marbles drawn by the student None of the above The 300 red marbles in the bag Based on the sample, the student would estimate that ------ marbles in the bag were red.
Orange JO 3|| O N 83I 9:40 Homework _3 Some Basic Pr. Os 2: The table below reports the number of observations of Agriculture Department and Mechanical Engineer students who had received an IQ test in the past 2 years cross-classified with students' race. Students Race Agriculture Department Mechanical Total Engineer Department Jordanian 319 738 329 1057 Palestinian 130 459 Syrian Saudi Arabian 88 402 490 41 95 136 Total 578 1564 2142 (a) We select at random a subject who had an IQ test. What is the probability that student is Palestinian? (b) We select at random a subject who had an IQ test and learn that the student is from the Agriculture department. With that information, what is the probability that the student is Jordanian? (c) We select at random a subject who had an IQ test. What is the probability that the student is a Mechanical Engineer and Palestinian? (d) We select at random a subject who had an IQ test. What is the probability that the student is from Agriculture…
ww.awo.dte.comV Ccessones. PB Pebble Watch Apps. Dowica music, m. E Monsters - Traverse Ger the M Gal a Woulube Maps O Mfler Watch m myflar to Spectrum TV O PROBABLITY Pablo V Area as probability Enpatol A point is chosen at random in the square shown below. Find the probablity that the point is in the shaded circular region. Each side of the square is 6 in, and the radius of the circle is 3 in. Do not round any Intermediate steps. Round your answer to the nearest hundredth. If necessary, refer to the list of geometry formulas. 3 im 6 in
Let the temperature at 8 AM be the first sample, and the temperature at 12 AM be the second sample. Find the values of d overbar and s Subscript d. d overbar___ (Type an integer or a decimal. Do not round.) s Subscript d. (Round to 2 decimal places as needed.) In general, what does mu Subscript d represent?
A statistics teacher asked two different students, Lexie and Jennifer, to go to Wegmans and sample 30 shoppers each. The population of interest for both people can be defined as, “People who shop at the Johnson City, NY Wegmans store”. Here is what each person did to collect their sample: Lexie: She stood outside at the entrance to the store on 3 different days and times and surveyed every 15th person to walk by her. She surveyed 10 people each time to get her 30. Jennifer: She went to Wegmans after her nursing shift first thing Wednesday morning to buy deodorant since she ran out. When she was in the pharmacy area she surveyed all the people around her and then, to get up to 30 surveys, she went to the health food section and surveyed everyone she was there. Identify at least 2 specific reasons why Lexie’s approach is more likely to give a representative sample. Consider sources of bias, or types of shoppers who might be excluded by Jennifer’s approach.…
A B 2 3 8 7 Use the regions in the Venn diagram represented by numbers to determine the events requested below. Write the region numbers only. (BU A)' a. b. (C'n B) (AU C)n B' C.
A random sample of 7 oak trees from two forests was gathered. The results are shown below. Height of Trees (feet) Forest A Forest B 70 92 78 82 84 66 83 76 78 72 88 79 77 85 Based on the samples, which statement best compares the height of the oak trees in each forest? O The oak trees in Forest A are generally taller and have less variabillity than the oak trees in Forest B. The oak trees in Forest A are generally shorter and have less variabillity than the oak trees in Forest B. O The oak trees in Forest A are generally taller and have more variabillity than the oak trees in Forest B. The oak trees in Forest A are generally shorter and have more variabillity than the oak trees in Forest B.
Teachers want to know which night each week their students are doing most of their homework. Most teachers think that students do homework equally throughout the week. Suppose a random sample of students were collected which shows that the Number of students doing their homework on SUN where 16 Number of students doing their homework on MON where 18 Number of students doing their homework on TUE where 12 Number of students doing their homework on WED where 18 Number of students doing their homework on THR where 8 Number of students doing their homework on FRI where 4 Number of students doing their homework on SAT where 3 What is the Test Statistics to test the Hull Hypothesis that students were doing their homework with equal frequencies (that is, they fit a uniform distribution) against the alternative Hypothesis that students prefer doing their homework on a particular day (that is, they do not fit a uniform distribution)?
HOMEROO. Othe 8 Share 三三 E E 8 9 10 11 Leline ating expressions to answer the questions. 3. What is the probability of landing yellow on the spinner and then selecting an L from the letters that spell SCHOOL? WORK SHOWN: !!! lili
C. 10. Four hundred accidents that occurred on a Saturday night were analyzed. The number of vehicles involved and whether alcohol played a role in the accident were recorded. The results are shown below: Did alcohol play a role? Yes No Totals Number of Vehicles Involved 3 or more 1 55 29 84 a. Involved alcohol or a single car? 2 99 178 277 b. Involved 3 or more vehicles or involved alcohol? 16 23 39 Suppose that one of the 400 accidents is chosen at random. What is the probability that the accident: Involved 3 or more vehicles given alcohol was involved? Totals 170 230 400

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