The probability of spinning a red is 2/5
<h3>Probability</h3>
Probability is the likelihood or chance that an event will occur
- Probability = Expected/Total outcome
Given the following information
- Total number of spin = 30 spin
- Number of times it lands on red = 12 times
Pr(spinning a red) = 12/30
Pr(spinning a red) = 2/5
Hence the probability of spinning a red is 2/5
Learn more on probability here: brainly.com/question/25870256
To find the answer, set up a system of equations.
Let x=adult tickets and y=senior citizen tickets.
x+y=556
22x+12y=8492
Change the first equation to make it easy to combine with the second equation.
y=556-x
Now substitute (556-x) for y in the second equation.
22x+12(556-x)=8492
Simplify and combine like terms.
22x+6672-12x=8492
10x=1820
x=182
182 adult tickets were sold, so to solve for the number of senior citizen tickets sold, subtract 182 from 556.
556-182=374
374 senior citizen tickets were sold.
Answer is: C
√11 ≈ 3.3661
Which the closest to your answers is 3.3
hopefully this will help :)