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Every question has five possible answers. Assume that the student knows the correct answer to a question in 70% of all cases. Having observed that the student answered a given question correctly, what is the probability that he really knew the answer. So, based on the information provided we have: Event A: He knows the answer. P(A)=0.7
There isn't much difference at all in this particular context. Simply a very subtle nuance. Already knew points to having knowledge at a random point of time in the past. Already known suggests having had the knowledge for a longer period of time. But that's very subtle, and not even necessarily true.
It’s common to use “if” clauses with the future perfect tense to set up hypothetical situations. “Have Knew” Vs. “Have Known”. “Have known” is the correct variation to use because “known” is the past participle. It requires an auxiliary verb to turn it into the perfect tense, and without it, it makes no sense.
Feb 26, 2016 · The knew-it-all-along effect reflects how seeing the correct answer changes our beliefs. Once we know something, we can’t un-know it. We can’t go back to the state in which we didn’t know ...
Sep 14, 2017 · Suppose the probability that a student knew the answer to any given question is $0.8$, and the probability that the student guessed is $0.2$. Assume that if the student guesses that the probability that the student selects the correct answer is $0.25$.
Here’s the best way to solve it. Answer: The given options are analyzed as follows : Partial Measure - Involves Measuring the ratio of output to only a single input. This is the correct an …. If all you knew about a production system was that total daily output was 400 units and the total labor necessary to produce the 400 units was 350 ...
Feb 12, 2016 · "If Only You Knew" by Patti LaBelle Listen to Patti LaBelle: https://PattiLeBelle.lnk.to/listenYDSubscribe to the official Patti LaBelle YouTube channel: htt...
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