IMathAS-libretexts

The following data represents the age of 30 lottery winners.

Given the frequency distribution for the data,

Age	Frequency	Relative Frequency	Cumulative Relative Frequency
[20,29]	3	0.1	0.1
[30,39]	3	0.1	0.2
[40,49]	4	0.1333	0.3333
[50,59]	7	0.2333	0.5666
[60,69]	8	0.2667	0.8333
[70,79]	4	0.1333	0.9666
[80,89]	1	0.0333	0.9999

What is the frequency of lottery winners of age between 19 and 40?

What percentage of lottery winners are 70 years or older?

%

What is the relative frequency of ages under 40?

What is the cumulative relative frequency of lottery winners younger than 50?

Which graph shows the cumulative relative frequency?

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