A farmer is selling watermelons on the market. He knows from experience that the average weight of his watermelons is 7.8kg and the standard deviation is 3.1kg. On a given day, he wants to take at least 350kg watermelon to sell. He packs some randomly chosen watermelons. Find the smallest number of watermelons he should take so that the probability that he has at least 350kg watermelon to sell is at least 0.99.

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

make sure you have version 2.50

try looking in the very back of the book : )

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