Three plots of farmland are for sale. Each plot is a different size. Plot Area (in acres) Price (in dollars)
Bumper Crop 222222 89{,}00089,00089, comma, 000
Pay Dirt 888888 312{,}000312,000312, comma, 000
The Corn-er Lot 249249249 978{,}000978,000978, comma, 000
Which plot of farmland has the lowest price per acre?

I’m stuck on this i don’t understand.

Indicate the formula for the following conditions: p^c(n,r)=

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.