meowmeowcow
14.12.2021 •
Mathematics
( please please I really need this answered with work and explanation please help me I’ll dare you good if you give me the work and explanation)
1. At McKenzie High school, the following data was collected.
On the marching band
Not on the marching band
On a team sport
14
804
818
Not on a team sport
208
1105
1313
222
1909
a.
What is the conditional probability of being on the marching band, given that you know
the student plays a team sport? Show your work.
b. What is the probability of being on the marching band, and how is this different from part
(a)? Explain completely.
C.
Are the two events, {on the marching band) and {on a team sport} associated? Use
wate Windows
probabilities to explain why or why not.
Windo
Solved
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Ответ:
4y-2-3y=6 = y=8
y=4 * 8 - 2
= x=30
answer is y=8, x=30