The weights, $$\(W\)$$ grams, of kiwi fruit grown on a farm are normally distributed with mean 80 grams and standard deviation 8 grams. The table shows the classifications of the kiwi fruit by their weight, where $$\(k\)$$ is a positive constant. One kiwi fruit is selected at random from those grown on the farm. (a) Find the probability that this kiwi fruit is Large. (3) $$\(35 \%\)$$ of the kiwi fruit are Jumbo. (b) Find the value of $$\(k\)$$ to one decimal place. (4) 75\% of Tiny kiwi fruit weigh more than $$\(y\)$$ grams. (c) Find the value of $$\(y\)$$ giving your answer to one decimal place. (5)

Mathematics
IGCSE&ALevel
EDEXCEL
Exam No:wst01-01-que-20221014 Year:2022 Question No:5

Answer:



Knowledge points:

6. The Normal distribution

Solution:

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