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
Answer:
3
Step-by-step explanation:
It is A, 60° because 180° (degree of the whole triangle) divided by the three angles is 60.
-5w=45
/-5 /-5
w=-9
The answer is -9
Answer:
7 and 5
Step-by-step explanation:
7+5=12 and 7-5=2
