Question

( what is the expecte
ber of bags
2. A machine in a factory produces components whose lengths are approximately
normally distributed with mean 102mm and standard deviation 1mm.
(1) Find the probability that if a component is selected at random and measured, its
length will be:
(a) less than 100mm; (b) greater that 104mm.
(ii) If an output component is only accepted when its length lies in the range
100mm to 104mm, find the expected proportion of components that are accepted.
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Answer 1

Answer:

On 1st October, 2018, he sold the machine purchased on 1st April, 2017 for 4,000. It was decided that Depreciation @ 10% p.a. was to be written off every year under