QUESTION 35 When working correctly, a gambling machine is set to pay out minor prizes 30% of the time it is used. Data is collected on 20 uses of the machine where it paid out minor prizes 10 times. The owner of the machine is concerned that it is now paying out minor prizes too often and has asked a statistician to investigate. Which of the following methodologies should the statistician use to assess whether the machine is paying out minor prizes too often? O a. Two sample paired test O b. Chi-squared test of independence O c. One sample test of proportions O d. Small sample binomial test QUESTION 36 The quantity is called the of the mean. Write two words below