Answer:
rock, pop, metal, country
Step-by-step explanation:
Rock has the lowest probability at .1 or 1/10
Then pop and .2 or 2/10
Then metal at .3 or 3/10
Country has the greatest at .4 or 4/10
The frequency will go the same order
4 days earning = $85.40
so, 1 day earning will be = $85.40/4 = $21.35
Now, 11 days earning would be: $21.35 * 11 = $234.85
OPTION C IS YOUR ANSWER.
is 144 a natural number yes or no
Yes
I'm not sure
A is the answer