Answer:
35 students.
Step-by-step explanation:
If there are 100 students at the school and 35% of them voted for the bear, it means 35 students voted for the bear (100*0.35=35).
Answer:
The gambler's expected value if he makes the bet is $45.
Step-by-step explanation:
Expected value:
15% probability of a profit of $2000.
100 - 15 = 85% probability of having to pay $300, that is, a loss of $300.
The expected value is each outcome multiplied by it's probability, so:

The gambler's expected value if he makes the bet is $45.
Solving:
<span>.89 * 1,475,623 = 1,313,304.47
</span>
So, the answer would be:
approximately equal to <u>1,313,305</u> number of scores were below 670
Answer:
The ratio children to adult is 9:3
In reduced form, the ratio is 3:1
Your answer would be 36 :)