maths chapter name is coordijate geometry and probability my first question A coin is tossed 500 times and we get head:262 times,tail:283 times.find the probability of occurrence of these events.
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PROBABILITY OF GETTING A HEAD = 262/500=131/250
PROBABILITY OF GETTING A TAIL
=283/500
Hope it helps u if yeah plz mark it as brainliest
PROBABILITY OF GETTING A TAIL
=283/500
Hope it helps u if yeah plz mark it as brainliest
jyothi3262:
this correct answer
thank you
my pleasure
mark it as brainliest
my second question is 2) in a mathematics test,90 student of a class obtained (out of 100 marks) the marks are given in the following table.
marks 0-20 /20-30/30-40/40-50/50-60/60-70/70 Above same table no.of student is 0-20 is 7 20-30 is 10 30-40 is 10 40-50 is 20 50-60 is 20 60-70 is 15 70 above is 8 this is a table
i) find the probability that a student obtained less than 20% marks. b) find the probability that a student obtained 60%marks or above
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Is question correct? If yes the answer is 0"
is my answer correct?
thanks for choosing as brainliest
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