Reference no: EM131743176
The table below shows the results of a survey in which 142 men and 144 women 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
Copy to Clipboard
+
Open in Excel
+
Less than one? month's income
65
83
148
One? month's income or more
77
61
138
Total
142
144
286
(a) Find the probability that a randomly selected worker has one? month's income or more set aside for emergencies.
The probability is .
?(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 .
?(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 .
?(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?
Independent
Dependent