Question: I need the answer for part(3). Thanks! The breaking strength (in pounds) of a certain new synthetic piece of glass is normally distributed, with a

I need the answer for part(3). Thanks!

The breaking strength (in pounds) of a certain new synthetic piece of glass is normally distributed, with a mean of 115 pounds and a variance of 4 pounds.

i. What is the probability that a single randomly selected piece of glass will have breaking strength between 118 and 120 pounds? [2 marks]

ii. A new synthetic piece of glass is considered defective if the breaking strength is less than 113.6 pounds. What is the probability that a single randomly selected piece of 3 glass will be defective? [2 marks]

iii. What is the probability that out of 200 pieces of randomly selected glass, more than fifty-five of them are defective. [5 marks]

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