Math Lesson 8
Population Samples
Practice Exercise 8-5

Directions: Complete Problems below. Consult the Answer Key for answers once you finish. Review the Instruction material which relates to any questions you do not get correct.

1. A candy manufacturer states that the most of the candies in its bag are red. You randomly choose 10 candies from the bag. The color distribution of the sample is as follows:
           6 green
           3 red
           1 blue.
   Based on the sample, is the manufacturer's claim valid or not? _____
    
2. Use the random numbers below to state a valid claim: _____
   12, 15, 96, 14, 45 ,487, 45 ,78, 45, 78, 12, 98, 85 ,258
    
3. Jim claims that he picked 15 glass balls from a bag and 10 of them were red. If his claim is valid which color is in the majority in the bag? _____
    
4. A color pencil set includes 10 blue pencils, 5 black, 8 green and 1 yellow. Can the manufacturer validly claim that the set includes mostly blue pencils? _____
    
5. A candy manufacturer states that most  of the candies in its bag are red. You randomly choose 17 candies from the bag. The color distribution of the sample is as follows:
           6 green
          10 red
          1 blue.
   Based on the sample, is the manufacturer's claim valid or not? _____