Probability/The Addition Rule Question 25 The table shows the results of a survey that asked 2850 people whether they are involved in any type of charity work.  A person is selected at random from the sample.  Find the probability of each event.

  Frequently Occasionaly Not at all Total
Male 221 456 795 1472
Female 207 430 741 1378
Total 428 886 1536 2850

 

  1. The person is frequently or occationaly involved in charity work.  {#1}
  2. The person is female or not involved in charity work.  {#2}
  3. The person is male or frequently involved in charity work.  {#3}
  4. The person is female or not frequently involved in charity work.  {#4}
  5. Are the events "being female" and "being frequently involved in charity work" mutually exclusive?  {#5}
]]>
  • 0.461
  • 0.762
  • 0.589
  • 0.922
  • Not mutually exclusive.  A female can be frequently involved in charity work.
    • ]]>         9.0000000 0.3333333 0 add    ]]>