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	Cumulative Frequency Math Question		2013-03-20
		Primadonna pose la question : Hi, Please help me solve this question. Thank you so much. The cumulative frequency table below shows the length of time that 30 students spent text messaging on a weekend. Minutes Used Cumulative Frequency 31-40 2 31-50 5 31-60 10 31-70 19 31-80 30 Which 10-minute interval contains the first quartile? (1) 31–40 (2) 41–50 (3) 51–60 (4) 61–70 Penny Nom lui répond.
	Write each frequency as a decimal		2007-10-31
		Jazzy pose la question : Twins are born once in every 89 births. Identical twins are born 4 times in every 1000. Triples are born once in every 6900 births. write esch frequency as a decimal and order the decimals from least to greatest frequency. Penny Nom lui répond.

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