SOLUTION: a sample of 300 adults is selected. the contingency table - abc below shows their registration status and their preferred source of information on current events.
preferred
Algebra ->
Probability-and-statistics
-> SOLUTION: a sample of 300 adults is selected. the contingency table - abc below shows their registration status and their preferred source of information on current events.
preferred
Log On
Question 730165: a sample of 300 adults is selected. the contingency table - abc below shows their registration status and their preferred source of information on current events.
preferred source of information
Television newspaper radio internet
Voting registration statusRegistered 45 30 45 36
Not registered 35 44 45 20
using the contingency table - abc
if an adult is selected at random, what is the probability that he/she prefer to get his/her current information from the internet?
if an adult is selected at random, what is the probability that he/she is a registered voter?
if an adult is selected at random, what is the probability that he/she is a registered voter who prefers to get his/her current information from the television?
if an adult is selected at random, what is the probability that he/she is a registered voter given he/she prefers information from radio?
if an adult is selected at random, what is the probability that he/she prefers information from newspaper given he/she is not a registered voter?
(