Fifty-five percent of the members of the junior varsity swim team wear glasses. Of the team memebers who do not wear glasses, 30 percent of them are in the 10th grade.
To the nearest whole percent, what is the probability that a randomly chosen member of the JV swim team does not wear glasses and is in the 10th grade?
14%
17%
55%
67%
Answers
Answered by
49
Answer:
14%
Step-by-step explanation:
People who wear glasses - 55/100
People who do not wear glasses - 45/100
People who do not wear glasses and 10th grade - 45/100 x 30/100 = 13.5 ~ 14%
People who do not wear glasses and not in 10th grade - 45/100 x 70/100
Hence answer is 14%.
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