probablility/data analysis
  • 1. What decimal represents 3/5?
A) 0.3
B) none of these
C) 30
D) 0.6
E) 0.35
  • 2. 0.65 is what fraction in simplest form?
A) 65/10
B) none of these
C) 13/100
D) 13/20
E) 65/100
  • 3. 40 % is what fraction in simplest form?
A) 2/5
B) none of these
C) 20/100
D) 40/100
E) 4/10
  • 4. 3 out of 4 teachers like to eat plums. What percent of them DO NOT?
A) 75%
B) 25%
C) 4%
D) 3%
E) plums are gross
  • 5. 0.763 is exactly what percent?
A) 76%
B) .763%
C) none of these
D) 7.63%
E) 76.3%
  • 6. 17 out of 25 kids made the honor roll. What percent of those kids made the honor roll?
A) none of these
B) 17%
C) 68%
D) 74.5%
E) 25%
  • 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) 35%
B) 30%
C) none of these
D) 15%
E) 25%
  • 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) none of these
B) 1%
C) 10%
D) 2%
E) 3%
  • 9. The best teacher EVER is
  • 10. 7,3,5,5,6,3,6,1492 Given this data set, what is the outlier?
A) 5
B) 3
C) none of these
D) 1492
E) 7
  • 11. 7,3,5,5,6,3,6 Given this data set, what is the median?
A) 3
B) none of these
C) 4
D) 7
E) 5
  • 12. 7,3,5,5,6,3,6 Given this data set, what is the mode(s)?
A) 4
B) 3
C) 5
D) none of these
E) 3, 5 and 6
  • 13. 7,3,5,5,6,3,6 Given this data set, what is the mean?
A) 5
B) 6
C) 4
D) 7
E) 3
  • 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) none of these
B) 4
C) 3
D) 6
E) 5
  • 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) 8/123,342
C) none of these
D) 14/657,720
E) 3/102,349
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