We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
299
1
avatar

For the members of a book group, the probability of randomly selecting a member who likes to read historical fiction is 47%, the probability of randomly selecting a member who likes to read autobiographies is 42%, and the probability of randomly selecting a member who likes to read both historical fiction and autobiographies is 14%. What is the probability of randomly selecting a member who likes to read historical fiction or autobiographies?

 

Enter your answer in the box.

off-topic
 Dec 18, 2018
 #1
avatar+5778 
+1

\(P[A\cup B] = P[A]+P[B] - P[A \cap B]\\ A= \{\text{those who like to read historical fiction}\}\\ B = \{\text{those who like to read autobiographies}\}\\ P[A\cup B] = 0.47 + 0.42 - 0.14 = 0.75\)

 

Put the 0.75 in the box... (or it gets the hose)

 Dec 18, 2018

19 Online Users

avatar
avatar
avatar