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Chapter 5: Continuous Random Variables

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Introductory Statistics
Pages: 311 - 364
Introductory Statistics

Introductory Statistics

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

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Illustration

121 Questions for Chapter 5: Continuous Random Variables

  1. The data that follow are the number of passengers on 35 different charter fishing boats. The sample mean = 7.9 and the sample standard deviation = 4.33. The data follow a uniform distribution where all values between and including zero and 14 are equally likely. State the values of aand b. Write the distribution in proper notation, and calculate the theoretical mean and standard

    Found on Page 318

  2. Which type of distribution does the graph illustrate?

    Found on Page 344

  3. 100. A website experiences traffic during normal working hours at a rate of 12 visits per hour. Assume that the duration between visits has an exponential distribution.

    Found on Page 357

  4. A web site experiences traffic during normal working hours at a rate of \(12\) visits per hour. Assume that the duration between visits has the exponential distribution.

    Found on Page 357

  5. At an urgent care facility, patients arrive at an average rate of one patient every seven minutes. Assume that the duration between arrivals is exponentially distributed.

    Found on Page 357

  6. At an urgent care facility, patients arrive at an average rate of one patient every seven minutes. Assume that the duration between arrivals is exponentially distributed.

    Found on Page 357

  7. f(x),a continuous probability function, is equal to 112and the function is restricted to 0≤x≤12. What is P(0<x<12)?

    Found on Page 346

  8. Find the probability that xfalls in the shaded area.

    Found on Page 346

  9. Find the probability that xfalls in the shaded area.

    Found on Page 347

  10. Find the probability that x falls in the shaded area.

    Found on Page 311

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