Two normally distributed variables have the same means and the same standard deviations. What can you say about their distributions? Explain your answer.
Answer to relevant QuestionsConsider two normal distributions, one with mean −4 and standard deviation 3, and the other with mean 6 and standard deviation 3. Answer true or false to each statement and explain your answers. a. The two normal ...For a normally distributed variable, what is the relationship between the percentage of all possible observations that lie between 2 and 3 and the area under the associated normal curve between 2 and 3? What if the variable ...As reported in Runner’s World magazine, the times of the finishers in the New York City 10-km run are normally distributed with mean 61 minutes and standard deviation 9 minutes. Let x denote finishing time for finishers in ...Consider a normal distribution with mean 5 and standard deviation 2. a. Sketch the associated normal curve. b. Use the footnote on page 244 to write the equation of the associated normal curve. c. Use the technology of ...Determine the area under the standard normal curve that lies to the left of a. 2.24. b. −1.56. c. 0. d. −4.
Post your question