A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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- Consider the experiment of drawing a single card from a standard deck of 52 cards and determine which are uniform sample spaces, that is, sample spaces with equally likely outcomes. a. (face card, not face card} b. (club, diamond, heart, spade} c. (black, red) d. {king, queen, jack, ace, even-numbered card, odd-numbered card) a. Choose the correct answer below. O A. {face card, not face card) is not a uniform sample space because a geometric probability model should be used. O B. {face card, not face card) is a uniform sample space because this sample space has equally likely outcomes. O C. {face card, not face card) is not a uniform sample space because this sample space does not have equally likely outcomes. O D. {face card, not face card} is a uniform sample space because this sample space is drawing from a deck of cards. b. Choose the correct answer below, O A. {club, diamond, heart, spade} is a uniform sample space because this sample space has equally likely outcomes. O B. {club,…arrow_forwardConsider the following chance experiment: A fair coin is flipped and then a four sided die is rolled. The outcome is then recorded. What is the sample space of this chance experiment? Let H=heads, T=tails, and the die be numbered 1-4.arrow_forwardA researcher is comparing the effectiveness of three devices designed to help people who snore. There are 210 people who snore participating in the experiment. Using a table of random digits starting from the first row and column, the researcher will randomly place the participants into three equally sized treatment groups suitable for comparison. Which number range would be needed to label the subjects correctly? O 0-2 O 1-3 O 000-210 O 001-210arrow_forward
- Students at a large university have four places to get lunch: the cafeteria, the hut, the taco wagon, or the pizza place. An article in the school newsletter states that 70% of students prefer to get lunch in the cafeteria and the other three options are preferred equally. To investigate this claim, a random sample of 150 students is selected. Are the conditions for inference met?arrow_forwardA sports arena has three entrances (E1, E2, E3) and four different exits (X1, X2, X3, X4). As spectators come in, they enter through a random entrance E1,E2, or E3 and then exit through a random exit (X1,X2, X3, or X4). a. Create the sample space for this experiment listing all possible entrances and exits a spectator may use. Hint, how many outcomes are there? b. What is the probability a spectator enters from E3 and exits from X4? c. What is the probability a spectator does not enter from E1?arrow_forwardGive the sample space for a chance experiment with four possible outcomes. (Select all that apply.) flipping four coins: {HHHH, HHHT, HHTH, HHTT, HTHH, HTHT, HTTH, HTTT, THHH, THHT, THTH, THTT, TTHH, TTHT, TTTH, TTTT} flipping two coins: {HH, HT, TH, TT} picking one of four unique cards: {10, 9, 8, 7} a random number generator is used to select a whole number between 1 and 4 inclusive: {1, 2, 3, 4}rolling a die: {1, 2, 3, 4, 5, 6}arrow_forward
- A small community college employs 128 full-time faculty members. To gain the faculty's opinions about upcoming contract negotiations, the president of the faculty union wishes to obtain a simple random sample that will consist of 5 faculty members. She numbers the faculty 1 to 128. Use StatCrunch with a single fixed seed of 45 to obtain a simple random sample of 5 faculty members. Write the numbers corresponding to the members below. ... First faculty member: Second faculty member: Third faculty member: Fourth faculty member: Fifth faculty member:arrow_forwardAn experiment is performed where a 3-color spinner is spun and then a 4-sided die is rolled. The possible outcomes for each event are red (R), blue (B), and yellow (Y) for the 3-color spinner and 1, 2, 3, and 4 for the 4-sided die. Identify the sample space for this experiment.arrow_forwardA research paper describes an experiment in which 74 men were assigned at random to one of four treatments. 1. viewed slides of fit, muscular men 2. viewed slides of fit, muscular men accompanied by diet and fitness-related text 3. viewed slides of fit, muscular men accompanied by text not related to diet and fitness 4. did not view any slides The participants then went to a room to complete a questionnaire. In this room, bowls of pretzels were set out on the tables. A research assistant noted how many pretzels were consumed by each participant while completing the questionnaire. Data consistent with summary quantities given in the paper are given in the following table. Treatment 1 9 6 4 13 1 2 5 9 12 5 2 0 7 4 10 6 0 11 Treatment 2 Treatment 3 7 8 0 3 9 8 7 1 6 8 8 5 13 9 0 7 4 11 5 7 10 8 7 1 10 2 5 1 0 3 0 3 4 4 5 5 6 8 4 0 7 3 Treatment 4 5 2 5 7 5 2 0 0 4 3 2 3 1 1 Do these data provide convincing evidence that the means for the numbers of pretzels consumed are not the same for…arrow_forward
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- A First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSON
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ISBN:9780134753119
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Publisher:PEARSON