Question

QUESTION 4 125 Marks: (a) In an experiment to determine the relationship between force on a wire and the resulting extension, the data in Table Q4(a) are obtained: Table Q4(a): Force exerted Vs. extension of wire Extension 0.22 0.40 0.61 0.85 1.20 1.45 1.70 Determine the linear coefficient of correlation for the data. [13 Marks] (b) The probability of a component failing in one year due to excessive temperature is 20, that due to excessive vibration isand that due to excessive humidity is 25 50 Determine the probabilities that during a one-year period a component (i) fails due to excessive temperature and excessive vibration (ii) fails due to excessive vibration or excessive humidity iii) not fail because of both excessive temperature and excessive humidity [8 Marks] [2 Marks] [2 Marks]​

Answer 1

Answer:

sorry I don't know very long questions