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Mathematics, 23.04.2020 21:50 adayisenga
A plumber's daily earnings have a mean of $145 per day with a standard deviation of $16.50.
If the daily earnings follow a normal distribution, what is the probability that the plumber earns between $135 and $175 on a given day?
A) 0.54
B) 0.63
C) 0.69
D) 0.77
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A plumber's daily earnings have a mean of $145 per day with a standard deviation of $16.50.
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