87 / 106 100% + MAT130 Unit 4 Review B 1. Select all the values that could represent a probability. (7 pts) 53% 1.25 2 300% 2. The Michigan daily 3 lottery requires you to pick three numbers between 0 and 9 where the numbers can repeat. One bet type is called a box where the order of the numbers selected does not matter. a. You selected 5,7,8 as your three numbers. List all possible ways to arrange these numbers? (4 pts) b. There are a 1000 possible pick 3 number combinations in the sample space. Calculate the probability your selection (5,7,8) in any order won. Write your answer as a fraction, decimal, and percent. (4 pts) Circle the type of sampling used in the following situations. 3. A professor randomly selects 20 students from a list of all MAT 130 students and calculates their average MAT 130 grade. (1 pt) Random Systematic Cluster Stratified A company with full time and part time employees randomly selects 10 from each group and asks for their opinion about benefits. (1 pt) Random Systematic Cluster Stratified 5. A county commissioner randomly selects 100 households in their county and surveys all adults in the household to determine the unemployment rate of the county. (1 pt) Random Systematic Cluster Stratified 6. A quality control specialist selects every tenth car off an assembly line to inspect. (1 pt) Random Systematic Cluster Stratified