The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published book. Reviewer Ratings 0.5- 0.4- 0.3- 0.2- 0.14 0.022 0.01 0.444 (a) Find the mean, variance,...

Extracted text: The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published book. Reviewer Ratings 0.5- 0.4- 0.3- 0.2- 0.14 0.022 0.01 0.444 (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results. 0.249 0.214 0.071 Rating (a) The mean is (Type an integer or a decimal. Do not round.) The variance is. (Round to two decimal places as needed.) The standard deviation is (Round to two decimal places as needed.) (b) Interpret the results. Select all that apply. O A. The typical rating deviates from the mean by about 4. O B. The average rating for the book is approximately 4. O C. The typical rating deviates from the mean by about 1. O D. The average rating for the book is approximately 1. Probability