Need help please?????

[aeckman101!]

Suppose that of 2000 students, 1100 take math, 500 take science, and 300 students take both math and science. What is the probability that a student selected at random takes math or science?

 

[Deleted member 4993]

Suppose that of 2000 students, 1100 take math, 500 take science, and 300 students take both math and science. What is the probability that a student selected at random takes math or science?

Please show us what you have tried and exactly where you are stuck.

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[pka]

Suppose that of 2000 students, 1100 take math, 500 take science, and 300 students take both math and science. What is the probability that a student selected at random takes math or science?

In general, [imath]\mathcal{P}(M\cup S)=\mathcal{P}(M)+\mathcal{P}(S)-\mathcal{P}(M\cap S)[/imath].
Now you must post your work or explain what it is that you don't understand.

[imath][/imath][imath][/imath][imath][/imath]

 

[BigBeachBanana]

Suppose that of 2000 students, 1100 take math, 500 take science, and 300 students take both math and science. What is the probability that a student selected at random takes math or science?

Draw a Venn diagram.