SOLUTION: THE AVERAGE SALARY OF A SALESLADY IN MALLS IN METRO MANILA IS PHP 525 PER DAY. ASSUME A NORMAL DISTRIBUTION WITH A STANDARD DEVIATION OF 90. WHAT IS THE PROBABILITY THAT A RANDOMLY

Question 1180793: THE AVERAGE SALARY OF A SALESLADY IN MALLS IN METRO MANILA IS PHP 525 PER DAY. ASSUME A NORMAL DISTRIBUTION WITH A STANDARD DEVIATION OF 90. WHAT IS THE PROBABILITY THAT A RANDOMLY SELECTED SALES LADY IS RECEIVING A DAILY SALARY BIGGER THAN PHP600?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi
Normal Distribution:  µ = 525 and σ = 90
Using TI or similarly an inexpensive calculator like a Casio fx-115 ES plus
Continuous curve
 A RANDOMLY SELECTED SALES LADY selected:
9999 a place older:
P(x > 600) = P(x ≥ 600) = normalcdf( 600, 9999, 525, 90) = .2023

Important You feel comfortable using Your calculator.
Wish You the Best in your Studies.

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