Assignment:
The breaking strength of a certain brand of steel cable is normally distributed, with a mean of µ = 2500 pounds, and a standard deviation of Ï? = 250 pounds.
If a construction company buys 25 cables, what is the probability that they will have a mean breaking strength of at least 2400 pounds?
Express your answer as a decimal and round your final answer.
Provide complete and step by step solution for the question and show calculations and use formulas.