The ability for a study to reveal a statistically significant difference between the levels of an independent variable when one truly exists is known as power. A statistical test's power is the probability that rejecting the null hypothesis is valid. It can be calculated by the expression Power = 1 - beta where beta is the probability of a type II error.
Answer: a) 4.15m/s
b) 11.22m/s
c) 14.76m/s
Explanation: d).
Sometimes it is possible to neglect an external impulse if it is not in the direction of interest.
Also, a small force acting over a long time can easily provide more impulse
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D. Jews hated their Roman rulers and revolted against them.
Answer: Representative Democracy
Explanation:
Representative democracy which is also referred to as indirect democracy is the one in which the public chooses members as their representative who can act on their behalves in decision making. This is common in the Western democracy such as the United Kingdom. Elected official members sometimes have the authority to choose other members as representatives or choose others that can be put in certain officially positions such as a President choosing a prime minister. This is when now the president act on behalf of the public in an indirect selection .
