An urn includes white and black balls. if a random sample of length is chosen, the probability that it consists of exactly white balls:
Sample area = M + N
we are choosing r balls from the pattern space
So the possibility of having the exactly white ball is ok which means the okay of decided on balls is black
So the probability is
Probability is honestly how probable something is to manifest. each time we are unsure about the final results of an event, we will talk about the probabilities of certain results—how in all likelihood they're. The analysis of activities governed via probability is referred to as information.
Probability is the branch of mathematics concerning numerical descriptions of ways in all likelihood an occasion is to occur, or how in all likelihood it's miles that a proposition is proper. The opportunity of an occasion is more than a few between zero and 1, in which, more or less talking, 0 suggests the impossibility of the occasion and 1 shows reality.
Probability = the number of methods of achieving achievement. the full number of feasible effects. for instance, the possibility of flipping a coin and it being heads is ½, due to the fact there may be 1 manner of getting a head and the whole wide variety of viable consequences is two (a head or tail).
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The effects of the terrorist attacks of 11 September 2001 can be analyzed in three areas of approach.
1) The worst effect of the attacks was the loss of human life. In the attacks, approximately 3,000 people died, who were fulfilling their daily routine in their works, being an immeasurable loss.
2) The economic effect in the US and in the world. The attacks toppled the twin towers of New York, the nation's financial center, directly engaging businesses established there and indirectly across the rest of the country. Stock markets plummeted, jobs were reduced and the impact on GDP was significant. As the world's largest economy, everything that happens in the United States is reflected in the world. Instability has hit all stock exchanges, affecting many businesses and companies around the world.
3) Effect on national sovereignty and the escalation of the fight against terrorism. The September 11 bombing was a turning point in the terrorist escalation, making it the first time the United States was the victim of a major terrorist attack. Capturing and penalizing those responsible was a matter of honor to the country and this only happened in 2011 when Osama Bin Laden was assassinated in Pakistan. Finally, terrorist attacks began to be more frequent in Europe. The US defense system has successfully prevented the protection of the country.
The correct answer is Secretary of State
Explanation: The Secretary of State is the title of the head of the United States Department of State, who deals with foreign affairs.