For a survey like this, you want to take a random sample. It would be a good idea to use an alphabetical list of the students. Then, you could randomly select students from the list.
The principal would want to avoid surveying all the same type of students. For example, don't just ask the athletes.
Substitute the value of the variable into the expression and simplify, its theta arrow-to-the-right, pi/4 times 1-tan theta/sin theta - cos theta (i cant type the signs on computer, sorry
I think when you copied and pasted your question it re arranged itself
Answer:
The probability of that at least one marble is drawn is 2/7
Step-by-step explanation:
1/7+ 1/7=2/7
$7.65 × 23 = $175.95
Answer: $175.95
