Answer: x > 0
Step-by-step explanation:
First add 4 on each side
5x>0
Then divide by 5
X >0
Answer:
B
Step-by-step explanation:
I'm pretty sure its b because its ratio matches the (4,2)
Answer:cam
Step-by-step explanation:
Answer:
6.7% of employees at Solar Systems, Inc. are younger than 30 years old
Step-by-step explanation:
The mean of ages of the employees at Solar Systems is 32.7 years
Mean = 
Standard deviation =
We are supposed to find What percentage of employees at Solar Systems, Inc. are younger than 30 years old i.e.P(x<30)
So,

Z=-1.5
Refer the z table for p value
So,p value = 0.0668
So P(x<30)=0.0668= 6.68% = 6.7%
So, 6.7% of employees at Solar Systems, Inc. are younger than 30 years old