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12.5%. there is a 1 in 8 chance that all three times it will land on heads.
Answer:9 and 21
Step-by-step explanation:I used a calculator
Answer:
29
Step-by-step explanation:
You need to find the average number of students
Add up all the students
27+31+28+33+26
145
Divide by the number of classes
145/5
29
The average is 29