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Answer:
See explanation below.
Step-by-step explanation:
Notation
First we need to define the following events:
E = The student is in a major of enginnering
O= The student is in a major different from enfinnering
M= The student is in the marching band
Solution for the problem
For this case we can calculate the following probability:
And that represent the following event: "Given a randomly selected student is an engineering major, what is the probability the student is in the marching band"
And the probability that need to calculate to compare is this one:
And that represent the following event: "Given a randomly selected student is NOT an engineering major, what is the probability the student is in the marching band"
And if the claim is satisfied we need to see this:
Hi,
Work:
Equation;
First add up numbers and distribute 9 over parenthesis.
Second: collect like terms.
Move variable 59p to left side and change its sign.
Then move constant 123 to right side and change its sign.
Calculate the difference.
Divide both sides of equation by 59.
Hope this helps.
r3t40
Work:
Equation;
First add up numbers and distribute 9 over parenthesis.
Second: collect like terms.
Move variable 59p to left side and change its sign.
Then move constant 123 to right side and change its sign.
Calculate the difference.
Divide both sides of equation by 59.
Hope this helps.
r3t40