Practice Exam 3 Solution Key - Managerial Statistics I | BA 301, Exams of Statistics

Download Practice Exam 3 Solution Key - Managerial Statistics I | BA 301 and more Exams Statistics in PDF only on Docsity!

Student ID: tee Solebion Ke ten K “y BA 301 - Fall 2006 - Exam 3 - Nov. 8, 2006 You have 70 minutes to complete this cxam. You may use calculators subject to the caveats identified on the course syllabus. You may not consult any other resources which have not been provided by the instructor. Multiple Choice identify the letter of the choice that best completes the statement or answers the question. Each question is worth 2 points. |. A continuous random variable may assume @ any value in an interval or collection of intervals b. only integer values in an interval or collection of intervals c. only fractional values in an interval or collection of intervals d. only the positive integer values in an interval i) The uniform probability distribution is used with a. an undefined random variable b. any random variable, as long as it is not nominal a continuous random variable d. a normally distributed random variable 3. For any continuous random variable, the probability that the random variable takes on exactly a specific value is 7ero 0.50 ec, 1,00 d. any value between 0 to | 4. For the standard normal probability distribution. the area to the left of the mean is . | ) 0.5 ec, -0.5 d. any value between 0 to | uw Which of the following is mot a characteristic of the normal probability distribution? a. The distributian is symmetrical b. The mean of the distribution can be negative, zero, or positive c. The mean, median, and the mode are equal 6) The standard deviation must be 1 6. Ina standard normal distribution, the range of values of z is from a -ltol minus infinity to infinity c. Otol d. -3.09 to 3.09