What is the the decrease in percentage from 248 to 200
1 answer:
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Answer:
a. P(male) = 0.4
b. P(no sport and male) = 0.1
c. Unclear question (isn't it the same as b.?)
Step-by-step explanation:
The data below is what I've worked according to, which isn't very clear from the question so the answers are only correct if this is the correct table of data;
a.
b.
Using the tree diagram in the picture;
X stands for the score of her first test
Y stands for the score of her second test
Y stands for the score of her second test