10. [-11 Points] DETAILS MEN DSTATCZ 6.MC.O46. MY NOTES ASK YOU R TEACHER Given that the random variable X is normally distributed with a mean of 80 and a standard deviation of 10, P(85 5 X 5 90) is: a. 00.3413 b. 00.5841 c. 00.1498 d. 00.5323 e. 00.1915 Need Help? 11. [-11 Points] DETAILS MEN DSTATCZ 6.MC.028. MY NOTES ASK YOU R TEACHER Which of the following is a characteristic of the normal distribution? a. Oit is symmetric b. Oit has a bell-shape c. Omean = median = mode cl. Oall of these e. Onone of these Need Help? imam 12. [-I1 Points] DETAILS MEN DSTATCZ 6.MC.022. MY NOTES ASK YOU R TEACHER Which of the following correctly describes a continuous random variable? a. OWe cannot list all the possible values of a continuous random variable. b. OWe cannot list all the probabilities for each one of the innite number of conceivable values of the variable. c. OWe commonly associate probabilities with ranges of values along the continuum of possible values that the random variable might take on. cl. Call of these e. Onone of these Need Help? 13. [-11 Points] DETAILS MEN DSTATCZ 6.MC.021. MY NOTES ASK YOU R TEACHER Continuous random variables that can assume values at all points on an interval of values, with no breaks between possible values, are quite common. Examples include: a. Oprot per dollar of sales b. Ocost per credit taken by graduate students c. Othe average time it takes to assemble a car, or write a test d. Oheight e. Call of these