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Chapter 3: Probability Topics

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Introductory Statistics
Pages: 175 - 242
Introductory Statistics

Introductory Statistics

Book edition OER 2018
Author(s) Barbara Illowsky, Susan Dean
Pages 902 pages
ISBN 9781938168208

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Illustration

195 Questions for Chapter 3: Probability Topics

  1. A box has two balls, one white and one red. We select one ball, put it back in the box, and select a second ball (sampling with replacement). Let T be the event of getting the white ball twice, F the event of picking the white ball first, S the event of picking the white ball in the second drawing.

    Found on Page 188

  2. Helen plays basketball. For free throws, she makes the shot 75% of the time. Helen must now attempt two free throws. C = the event that Helen makes the first shot. P(C) = 0.75. D = the event Helen makes the second shot. P(D) = 0.75. The probability that Helen makes the second free throw given that she made the first is 0.85. What is the

    Found on Page 190

  3. In a particular college class, there are male and female students. Some students have long hair and some students have short hair. Write the symbols for the probabilities of the events for parts a through j. (Note that you cannot find numerical answers here. You were not given enough information to find any probability values yet; concentrate on understanding the symbols.)

    Found on Page 215

  4. Use the following information to answer the next six exercises. A jar of 150jelly beans contains 22red jelly beans, 38

    Found on Page 215

  5. 100. A college finds that 10% of students have taken a distance learning class and that 40% of students are part-time students. Of the part-time students, 20% have taken a distance learning class. Let D = the event that a student takes a distance learning class and E = the event that a student is a part-time student

    Found on Page 226

  6. A college finds that 10% of students have taken a distance learning class and that 40% of students are part-time students. Of the part-time students, 20% have taken a distance learning class. Let D = the event that a student takes a distance learning class and E = the event that a student is a part-time studenta. Find P(D AND

    Found on Page 226

  7. A college finds that 10% of students have taken a distance learning class and that 40% of students are part-time students. Of the part-time students, 20 % have taken a distance learning class. Let D = event that a student takes a distance learning class and E= event that a student Is a part-time student

    Found on Page 226

  8. What is the probability that a randomly selected senator is a Democrat and up for reelection in November 2016?

    Found on Page 227

  9. Use the information in the Table $3.19$ to answer the next eight exercises. The table shows the political party affiliation of each of 67 members of the US Senate in June 2012 , and when they are up for ree

    Found on Page 227

  10. Use the information in the Table 3.19to answer the next eight exercises. The table shows the political party affiliation of each of 67members of the US Senate In June 2012. and when they are up freelection.

    Found on Page 227

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