probability
Question
The table below shows the results of a survey in which 143men and 146women workers ages 25 to 64 were asked if
they have at least one month’s income set aside for emergencies. Complete parts (a) through (d).
| Men | Women | Total | ||
| Less than one month’s income | 66 |
84150
| One month’s income or more | 77 |
62139
| Total | 143 |
146289(a) Find the probability that a randomly selected worker has one month’s income or more set aside for emergencies.The probability is 0.481
. (Round to the nearest thousandth as needed.)(b) Given that a randomly selected worker is a male, find the probability that the worker has less than one month’s income.The probability is 0.462. (Round to the nearest thousandth as needed.)(c) Given that a randomly selected worker has one month’s income or more, find the probability that the worker is a female.The probability is 0.446. (Round to the nearest thousandth as needed.)(d) Are the events “having less than one month’s income saved” and “being male” independent or dependent?
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