Question: Hi. Please help with the following practice homework using Excel. Thank you. 650-Q2 A sample of 300 adults is selected. The contingency table below shows

Hi. Please help with the following practice homework using Excel. Thank you.

650-Q2

A sample of 300 adults is selected. The contingency table below shows their registration status and their preferred source of information on current events.

PREFERRED SOURCE OF INFO

TV Newspaper Radio Internet

VOTING REGISTRATION STATUS Registered 45 30 45 36

Not Registered 35 44 45 20

a) Referring to the table, if an adult is selected at random, what is the probability that he/she prefer to get his/her current information from the Internet?

b) Referring to the table, if an adult is selected at random, what is the probability that he/she is a registered voter?

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