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A study consisted of 42 patients who were followed for 60 months. The time, in months, for a tumor to recur after chemotherapy was summarized in the following histogram.
Histogram of Tumor Recurrence 10 20 30 40 50 60 Time, in months, for a tumor to recur after chemotherapy

Tumors recurred in less than 10 months in what percent of the patients? (Note: The histogram provides you frequency not relative frequency)

math   Statistics-And-Probability   
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fromm tr 2 fer Coistese of pahints inii lo monms Teccurel im less dhan lo damonths. 2

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