a shop only buys bananas with the lengths between 13 cm and 20 cm. estimate the fraction of the 80 bananas that the shop buys
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Answer:
44/80
Step-by-step explanation:
draw a line from 13cm upwards to the graph line and then draw a horizontal line from that point to the y axis to find that you get 18 bananas
then draw a line from 20cm upwardsto the graph line and then draw a horizontal line from that point to the y axis to find that you get 62 bananas
62-18=44 you do this because the shop buys banana lengths between 13 and 20
only from 13 to 20 = 44
so out of 80 (the total) it should be 44/80
Answer:
Step-by-step explanation:
We know that the shop only buys abanans with lengths between 13 cm and 20 cm.
So, the fraction of the 80 bananas is actually a ratio between the y-values of each lenth (13 and 20 cm) and the total 80. First, let's see which y-values belong to each length.
Notice that 13 belons to 20 at Cumulative Frequency. And 20 belongs to 62. So, the pairs are (13,20) and (20,62).
[tex]\frac{62-20}{80}=\frac{42}{80}[/tex]
This fraction means that the shop only buys 42 bananas out of 80, because those are between 13 cm and 20 cm.