Brown rice costs $2 per pound, and beans cost $1.60 per pound. Lin has $20 to spend on these items to make a large meal of beans
and rice for a potluck dinner. Let b be the number of pound of beans Lin buys and r be the number of pounds of rice she buys when she spends all her money on this meal. 
1 answer:
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Answer:
≈50.6
Step-by-step explanation:
Not sure what precision level this problem is looking for, but for right-skewed distributions, we know that the mean is going to be pulled right and therefore the mean should be larger than the median. To a high confidence level, the mean should fall between 50 and 59, or in the third column.
If a single estimation is wanted, assume the values inside each column are uniformly distributed: