In Hillcrest School, 36% of middle school students are in Grade 6, 31% are in grade 7, and 33% are in grade 8.

If a middle school student is selected randomly, what is the probability that the student is either in grade 6 or in grade 7?

Respuesta :

Answer:

D) 0.67

Step-by-step explanation:

Just took the test te only one i got wrong because i put C)0.64

Answer:

0.67

Step-by-step explanation: