I can’t answer because I don’t know the total area of the walls, if I have that I can help you
Answer:
1/2
Step-by-step explanation:
I think it is 2 because 6 are adult users of smartphone and the probability is 3. So 3 that is the probability over the total, that is 6.So, 3/6 is 1/2. Hope it was helpful.
Answer:
57 points
Step-by-step explanation:
Use the cumulative frequencies to figure out what the individual frequencies would be. Check out the attached image for the table of x values with their corresponding frequency (f) values. Note how the partial sums add up to the cumulative frequency values.
Once you know the frequency f values, multiply each x and f pair together in each row. The column labeled "x*f" represents each product. Afterward, add up everything in the x*f column to get the final answer 6.8