+0  
 
0
200
1
avatar+1850 

There are 88 students in the freshman class at Northview High. There are 26 students enrolled in Spanish class and 38 enrolled in history. There are 16 students enrolled in both Spanish and history. If a freshman is selected at random to raise the flag at the beginning of the school day, what is the probability that it will be a student enrolled in Spanish or history?

a. 6/11

b. 3/4

c. 2/11

d. 8/11

RainbowPanda  Mar 26, 2018
 #1
avatar+89876 
+2

N(Spanish or History)  = N(Spanish)  + N(History)  - N(Spanish and History)

 

N(Spanish or History) =       26          +    38              -   16

 

N(Spanish or History )  =    48

 

Prob  =  (48  / 88)      =   6 / 11

 

 

cool cool cool

CPhill  Mar 26, 2018

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