probablility/data analysis
  • 1. What decimal represents 3/5?
A) 30
B) none of these
C) 0.6
D) 0.35
E) 0.3
  • 2. 0.65 is what fraction in simplest form?
A) 13/20
B) 13/100
C) 65/100
D) 65/10
E) none of these
  • 3. 40 % is what fraction in simplest form?
A) 20/100
B) 2/5
C) 40/100
D) 4/10
E) none of these
  • 4. 3 out of 4 teachers like to eat plums. What percent of them DO NOT?
A) 75%
B) 4%
C) plums are gross
D) 3%
E) 25%
  • 5. 0.763 is exactly what percent?
A) 7.63%
B) 76.3%
C) none of these
D) .763%
E) 76%
  • 6. 17 out of 25 kids made the honor roll. What percent of those kids made the honor roll?
A) 74.5%
B) 17%
C) 25%
D) none of these
E) 68%
  • 7. There are 15 red chips, 5 blue chips and 30 green chips in a bag. What is the probability you will pick a red chip?
A) 15%
B) none of these
C) 25%
D) 35%
E) 30%
  • 8. There are 15 red chips, 5 blue chips and 30 green chips in a bag. What is the probability you will pick a blue chip, replace it in the bag, and pick another blue chip?
A) 3%
B) 2%
C) 1%
D) 10%
E) none of these
  • 9. The best teacher EVER is
  • 10. 7,3,5,5,6,3,6,1492 Given this data set, what is the outlier?
A) 7
B) 1492
C) 5
D) none of these
E) 3
  • 11. 7,3,5,5,6,3,6 Given this data set, what is the median?
A) 5
B) 4
C) 3
D) 7
E) none of these
  • 12. 7,3,5,5,6,3,6 Given this data set, what is the mode(s)?
A) 3, 5 and 6
B) none of these
C) 4
D) 5
E) 3
  • 13. 7,3,5,5,6,3,6 Given this data set, what is the mean?
A) 3
B) 7
C) 5
D) 6
E) 4
  • 14. Given this data set: 3,6,6,7,9 what would the next number have to be in order for the mean to be exactly 5?
A) 6
B) 5
C) 4
D) 3
E) none of these
  • 15. ADV. (yes, you should try to answer it) There are 4 black, 20 white and 6 red marbles. What is the probability that you will pick black 4 times in a row? You will NOT replace the marble after any of your picks.
A) 10/345,657
B) 14/657,720
C) 3/102,349
D) 8/123,342
E) none of these
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