Answer:
510
Step-by-step explanation:
Assume 2 numbers 500,500.. with a mean of 500
so if we add 10 to each of the two numbers, mean will be:
Of course you can vary the set and the numbers and still get the same mean
20% is the the probability of a person taking the servey
Answer:
249.6 to nearest 10th
Step-by-step explanation:
10 x 15.8 = 158
5 x 15.8 = 79
0.8 x 15.8 = 15.8 - 1.58 -1.58 = 12.64
158 + 79 + 12.64 = 249.64
= 249.6 to nearest 10th
Answer:
17600
Step-by-step explanation:
hope this helps!!!!!