Police Math Probability and Statistics Flashcards
6 cards from real Police Math Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Police Math Probability and Statistics flashcards as text
A department has 120 officers, and 15% are on medical leave. How many officers are currently active?
Answer: 102
15% of 120 = 18 on leave; 120 − 18 = 102 active officers.
Crime reports show 48 thefts in Q1 and 36 in Q2. What is the percent decrease?
Answer: 25%
Percent decrease = (48 − 36) / 48 × 100 = 25%.
A police unit has a 40% clearance rate on 75 cases. How many cases were solved?
Answer: 30
40% of 75 = 0.40 × 75 = 30 cases solved.
In a sample of 200 crime reports, 50 involve repeat offenders. What fraction does this represent?
Answer: 1/4
50/200 = 1/4.
The response times in minutes are: 6, 12, 8, 15, 9, 11, 7. What is the range?
Answer: 9
Range = maximum − minimum = 15 − 6 = 9.
Over 10 days, daily crime totals are: 5, 3, 7, 4, 6, 8, 2, 9, 4, 5. What is the mean (average)?
Answer: 5.3
Sum = 53; 53 ÷ 10 = 5.3.