# Question

Local law enforcement authorities are concerned about the growth of violent teenage gangs in the city. They estimate that 65% of juveniles arrested are gang members. If the crime involved is violent, the probability of gang membership jumps to 86%. Crime statistics show that 70% of all juveniles arrested are arrested for violent crimes.

a. If an arrest case involving a juvenile is chosen at random from police fles, what is the probability that the case involves a gang member in a violent crime?

b. If you learn that the case involves a gang member, what is the probability that the case involves a violent crime?

c. If you learn that the youth involved is not a gang member, what is the probability that the crime involved is violent?

a. If an arrest case involving a juvenile is chosen at random from police fles, what is the probability that the case involves a gang member in a violent crime?

b. If you learn that the case involves a gang member, what is the probability that the case involves a violent crime?

c. If you learn that the youth involved is not a gang member, what is the probability that the crime involved is violent?

## Answer to relevant Questions

Unit sales for Harper, Inc. over the last 10 days are as follows: 2, 2, 1, 0, 1, 1, 2, 3, 0, 1. a. If you pick a day at random, how likely is it those two units were sold on that day? b. If we define a random variable that ...In a recent year, the percentage of frst-time California Bar Exam takers that passed the July exam was 68%, while the percentage of repeaters that passed was 22%. Defne x as a random variable representing the number of times ...The table below shows the probability of drawing various hands in a game of poker (Five Card Stud): Suppose you draw fve hands of poker. (To simplify, assume you start with a new shuffled deck for each hand.) Use the ...Use the binomial table to find the following probabilities: a. P(x = 6), where n = 11, p = .65 b. P(x > 5), where n = 7, p = .8 c. P(x < 17), where n = 20, p = .7 d. P(9 < x < 12), where n = 16, p = .75 Graph the binomial distribution for the following cases: a. n = 3, p = .3 b. n = 9, p = .3Post your question

0