It would be 6/21 but simplified it would be 2/7
Answer:
Step-by-step explanation:
A
The answer is "Design B bulbs will likely last longer than design A bulbs."
The box in a box plot represents the middle 50% of the data. The box for the design B bulbs is farther out than the box for the design A bulbs. Therefore, design B bulbs last longer on average than design A bulbs.
Answer:
Step-by-step explanation:
Answer:
We have that 
Step-by-step explanation:
We have just to replace n=10 on the general equation

Therefore:
