Another probability question?

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Another probability question?

The table shows the result of a survey of students in two math classes. Find P(more than 1 hour of TV | 6th period class) Round to the nearest thousandth.

TABLE:

Did You Watch More Than One Hour of TV Last Night?

Yes No
3rd Period Class 11 6
6th Period Class 13 10

2007-05-17 14:02:50 · 2 answers · asked by Lemonada 3 in Science & Mathematics ➔ Mathematics

2 answers

P(more than 1 hour of TV | 6th period class)
=#(more than 1 hour of TV and in 6th period class) /#(6th period class)
=13/(13+10)
=13/23

2007-05-17 14:08:02 · answer #1 · answered by Anonymous · 0⤊ 0⤋

Use 6th period data only, P(1+ hours) =13/23

2007-05-17 21:09:10 · answer #2 · answered by cattbarf 7 · 0⤊ 0⤋