The teachers present at the teacher's lounge could be there for a variety of reasons, for example it could even me a meeting of the supporters of the school uniform! his sample is therefore possibly biased - there is no way of knowing that it represents the whole population. He chose it because it was convenient to him - and the answer is "a, convenience sampling"
The correct answer is:
V=D/T
22 m/s = 6.5 m / T - divide distance by speed
T = 0.30 s
Answer: c. Tempest
Explanation:
Tempest (Telecommunications Electronics Materials Protected from Emanating Spurious Transmissions) is a branch of the US National Security Agency. The function of this organization is to protect against spying on information systems. The methods they use are for transmitting emanations, including unintentional radio or electrical signals, sounds, and vibrations.
"Cry in the dojo, laugh on the battlefield."