This is a subjective question, hence you have to write your answer in the Text-Field given below.
In a random sample of 150 complaints filed against a construction company for mixing excess sand in their concrete mixture, 95 complaints showed that the pro portion of sand in the mix exceeded 75 percent. Construct a \( 90 \% \) confidence interval for the true proportion of complaints filed against this construction company where the proportion of sand exceeded 75 percent.
(6 marks)
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