Implementation of firewall
installation of anti-virus software
Answer:
iu31hurf3fui
Explanation:
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvccccccccccccccccccccccccccccccccccccccccccc. :)
We have freedom from Britain thanks to the Declaration of independence which is founded by our founding fathers Ben franklin, Gorge Washington, Thomas Jefferson and much more we said to them " we declare independence from you, Good bye, Britain" XD
source of this quote: https://www.youtube.com/watch?v=shwNBBJj15M
I think it’s B
Hope that helps!
The probability that the the sample mean would be less than x=132.25 will be calculated as follows:
z=(x-σ)/μ
μ- mean
σ- standard deviation
z=(132.25-138)/28=-0.2054
thus:
P(X≤x)=0.4207=42.07%
