In: Statistics and Probability
in
a survey of consumers aged 12 and older , respondents were asked
how many cell...
in
a survey of consumers aged 12 and older , respondents were asked
how many cell phones were in use by the household.(No two
respondents were from the same household) Among the respondents ,
216 answered"none", 288 said "one", 376 said "two", 136 sid"
three", and 34 respondents with four or more . A survey respondent
is selected at random. Find the probability that his/her household
has four or more cell phones in use. Is it unlikely for a housild
to have four or more cell phones in use? Consider an event to be
unlikely if its probability is less than or equal to 0.05.