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table below shows the results of a survey in which 142 men and 145 women workers ages 25 to 64 were asked if they have at least one month's income...

table below shows the results of a survey in which 142 men and 145 women workers ages 25 to 64 were asked if they have at least one month's income set aside.  

complete a through d.  round to nearest thousandth

                                                             men                       women                       total

less than one month                          65                                83                           148

one month's or more                         77                                62                            139

total                                                       142                              145                          287

a. find probability that a randomly selected worker has one month or more set aside

b. given that a randomly selected worker is male, find probability that the worker has less than one months income

c. given that a randomly selected worker has one months income or more, find probability that the worker is female

are the events " having less than one month's income saved" and "being male " independent or dependent?

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