Question 847355
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Hi,
Think of a number line
{{{number_line( 600, 1,16, 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 )}}}
2 to 15 can be divided into {{{13}}} equal intervals.
4 t0 9 would be {{{5}}} of those intervals
probability that a weight is between 4 and 9 grams = 5/13