Answer:
3.24 minutes
Step-by-step explanation:
Use a calculator or chart to find the z-score.
P(Z > z) = 0.60
P(Z < z) = 0.40
z = -0.253
Find the time associated with the z-score.
z = (x − μ) / σ
-0.253 = (x − 4) / 3
x = 3.24
-40 I wanna say
15
-3 times -5 equals 15 because two negatives multiplied by each other equals a positive.
b
integer represented as a minus the integer represented as b
