Answer:
proportional stratified random sampling
Explanation:
Based on the information provided within the question it can be said that in this scenario the kind of sampling being used is called proportional stratified random sampling. This type of sampling is when the size of the sample is proportionate to the population size of the strata when compared to the entire population. Which in this case 20 males would be the same as 40% of the entire population while 30 females is proportionate to 60% of the entire population.
50 (sample size) * 0.40 = 20
50 (sample size) * 0.60 = 30
This i my little helper,
https://www.epa.gov/agriculture/agriculture-information-federal-state-and-local-sources
Answer:
A. Encryption
Explanation:
The <u>encryption</u> mechanism helps mitigate the malicious intermediary, insufficient authorization, and overlapping trust boundaries security threats, it also helps secure remote message exchanges between consumers by protecting the privacy of message data thus making it inaccessible by hackers.
It was a way for them to get jobs. If a former slave was educated, it could mean a new beginning for them. On the other hand if a slave was uneducated, they would not have enough money for stable living requierments. So it was very important to be educated because you could start a new life.
