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Author Question: At a certain prison it was found that 71 of the inmates had had a first arrest at the age of 15 or ... (Read 62 times)

joesmith1212

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on: Jun 20, 2018
At a certain prison it was found that 71 of the inmates had had a first arrest at the age of 15 or younger. It was also found that 70 of the population were identified as having had a drug problem.
 
  What is the probability of selecting at random an inmate who had been arrested at 15 or younger and had also been identified as having a drug problem?
  a. .14
   b. .50
  c .95
   d. .46

Question 2

 is an efficient way to write
 
  a. add up values.
  b. the mean.
  c. the number of values in a data set.
  d. a numerator.


mochi09

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Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

a


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