Last semester, a certain professor gave 21 As out of 207 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

Question

swissgirl · Answer

probability that will get an A is 21/207

anonymous · Answer

so do I divide 21/207 to get my answer

swissgirl · Answer

yup  yup

swissgirl · Answer

@dan815  am I correct?

anonymous · Answer

I got an answer of .1014492754 is that my answer

swissgirl · Answer

ya round it to the amount of places that your book/teacher asks you to

anonymous · Answer

what do you mean I do not understand

swissgirl · Answer

umm like yamaybe you gotta round it to the tenths place so its .1
Or maybe to the thousanths place so its .101

anonymous · Answer

so you think that answer is .101 you mean

swissgirl · Answer

well does your question specify how many places you should round your answer to?
Maybe it wants you to keep it in a fraction

anonymous · Answer

no all it says is this  Give the probability in decimal form (correct to two decimal places). A calculator may be helpful.

Last semester, a certain professor gave 21 As out of 207 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

anonymous · Answer

that is the entire question

swissgirl · Answer

ohhh 2 decimal places so it would be .10

anonymous · Answer

so is that answer just .10

swissgirl · Answer

yup yup

anonymous · Answer

great thanks