Question: please help this questions with clear steps, thank you Q5 (a) Given Z ~ N(0, 1), find the following probabilities using the standard normal distribution

please help this questions with clear steps, thank you Q5 (a)

please help this questions with clear steps, thank you

Q5 (a) Given Z ~ N(0, 1), find the following probabilities using the standard normal distribution table provided: P(Z 45) = 0.123 for X~N(39.2, 6?) Give your answer in 1 decimal place. (4% ) (ii) Find the probability that strength of concrete mix is less than 30 N/mm- (3%) (iii) Find the probability that strength of concrete mix lies between 35 N/mm- and 55 N/mm-. (4%)

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