at a local school, 90% of the students took the test A and 15% of the students took both test A and Test B. Based on the information provided, which of the following calcuations are not possible and why? What can you say based on the data? A) P(B/A) B) P(A/B) C) P(A union B)

at a local school, 90% of the students took the test A and 15% of the students took both test A and Test B. Based on the information provided, which of the following calcuations are not possible and why? What can you say based on the data? A) P(B/A) B) P(A/B) C) P(A union B)

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...

See similar textbooks

Similar questions

Find the degrees of freedom needed for a test of independence. Male Female Voted 12 15 Did not vote 7 2 Decline to state 9 7
You roll a six-sided die 60 times and got the following tally: 20 ones, 20 twos, 15 threes, 3 fours, 2 fives, 0 sixes Does this seem like a reasonable result? What inference might you draw from this result?
in a survey of 14 college students, it was found that 9 were taking an English class, 7 were taking a math class, and 6 were taking both English and math. How many students were taking a math class only? How many students were taking an English class only? How many students were taking neither.
To help plan the number of meals to be prepared in a college cafeteria, a survey was conducted, and the following data were obtained. 127 students ate breakfast.183 students ate lunch.272 students ate dinner.60 students ate breakfast and lunch.111 students ate breakfast and dinner.90 students ate lunch and dinner.53 students ate all three meals. How many students ate (a) At least one meal in the cafeteria? students(b) Exactly one meal in the cafeteria? students(c) Only dinner in the cafeteria? students(d) Exactly two meals in the cafeteria? students
A technology store holds a contest to attract shoppers. works: An ace and four other cards are shuffled and placed face down on a table. The customer gets to turn over cards one at a time, looking for the ace. The person wins $100 of store credit if the ace is the first card, $50 if it is the second card, and $20, $10, or $5 if it is the third, fourth, or last card chosen. What is the average dollar amount of store credit given away in the contest? Estimate with a simulation of 10 trials. Once an hour, someone at checkout is chosen at random to play in the contest Here's how it 67819 00354 91439 91073 49258 15992 41277 75111 67496 68430 09875 08990 27656 15871 23637 00952 97818 64234 50199 05715
4. On a test, 74% of the questions are answered correctly. If 111 questions are correct, how many questions are on the test? A) 37 questions B) 67 questions C) 150 questions D) 82 questions
When taking a 6 question multiple choice test, where each question has 5 possible answers, it would be unusual to get ____ or more questions correct by guessing alone.Give your answer in the box above as a whole number.
Tree Mr. and Mrs. Frank just moved into a new home and need to do some landscaping. They are going to purchase one tree, one shrub, and Oak (0) one lilac bush at random from the list to the right. Use this list to complete parts a) through e). Elm (E) Birch (8) Shrubs Lilac bushes Gold Mop (G) Primrose (P) Holly (H) Tinkerbelle (T) a) Determine the number of sample points in the sample space. The number of points in the sample space is b) Construct a tree diagram and determine the sample space Construct a tree diagram. C Determine the sample space. Choose the correct answer below. OA. O, E, B, G, H, P. T OB. GP GT. HP. HT OC. EHP, EHT, BGP, BGT, BHP, BHT OD. OGP. OGT, OHP, OHT, EGP. EGT, EHP, EHT, BGP, BGT, BHP, BHT c) Determine the probability that the Franks select a birch tree. The probability is (Simplify your answer.) COCCOD
Bread Meat Spread Mayo (0.5) Honey Oat Ham (0.4) (0.6) Mustard Turkey (0.4) White (0.2) (0.6) Ranch (0.3)
It is harder to get into graduate programs in psychology or history? We randomly selected five institutions from among all U.S. institutions with graduate programs. The first number for each is the minimum GPA for applicants to the psychology doctoral program, and the second is for applicants to the history doctoral program. These GPAs were posted on the website of the well-known college guide company Peterson's. Wayne State University: 3.0, 2.75 University of Iowa: 3.0, 3.0 University of Nevada-Reno: 3.0, 2.75 George Washington University: 3.0, 3.0 University of Wyoming: 3.0, 3.0 1. The participants are not people, explain why it is appropriate to use a paired-samples t test for this situation.
15) Use the situation below to answer the question that follows. Team Jet has 7 members who won a school competition. Of these 7, 4 members are randomly picked to receive prizes for winning. The 1st member selected wins a $50 gift card; the 2nd person selected wins a $25 gift card; the 3rd person selected wins a $10 gift card; the 4th person selected wins a $5 gift card. The names of Team Jet's members are represented by the first letter of their first names, as displayed in the following table: Name Frank Gina Harriet Inez Jakob Keven Liu Letter F G H I J K L In the box below, complete the remaining three rows of the list that models how to calculate the number of possible ways 4 team members can be selected to win the prizes. 1) FGHIJKL Let Lui win the 1st prize, so select L. 2) 3) 4)
If P(A) = .60, P(B) = .56, and P(A ∪ B) = .80, then P(B | A) = _____. Select one: a.Not enough information is given to answer this question. b..7742 c..7667 d..6000