tivity 10 Probability Distributions Activity 10 Probability Distributions ame : b. What is the mean? 1. Suppose you play a game with a spinner. You play each game by spinning the spinner once. P(red) = 2/5, P(blue) = 2/5, and P(green) = 1/5. If you land on red, you pay $10. If you land on blue, you don't pay or win anything. If you land on green, you win $10. Complete the following expected value table. c. What is the standard deviation? Color P (x) x. P (x) Red 20/5 Blue 215 d. What is the probability of earning all correct answers? Green 1/5 a. Define a random variable x. e. What is the probability of earning all incorrect answers? b. Complete the following expected value table. f. What is the probability of earning at least 8 correct answers? c. What is the expected value, u? Do you come out ahead? g. What is the probability of earning at most 7 correct answers? 2. The notation is; X ~ B (n, p) . The mean is u = np and the standard deviation is o - sqrt (npq) , There are 10 multiple choice questions (A/B/C/D) in Math quiz. a, What are n, p, and