Eight hundred seventy six thousand five hundred forty three.
Answer:0.13
Step-by-step explanation:i think
Answer:
0.0078125
Step-by-step explanation:
If the probability of flipping a fair coin (mentally) correctly for 1 row is 0.5, then the probability of flipping it correctly for 2 rows is
0.5 * 0.5 = 0.25
for 3 rows: 0.5*0.5*0.5 = 0.125
...
For 7 rows:

So, I'm assuming that the x represents multiplication...
Because multiplication has a higher precedence over addition, we'll multiply the numbers first:
18 + 48
Then we simply add:
66
Population: All high school students. We're interested in the health of <em>all</em> of them, that's our population.
Sample: Athletes who were surveyed. Our sample is where we got our actual data.