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It is 0.0033
Assuming you reply each answer randomly, your probability is (1/2)10 = 1/1024 (about 0.1%). Of course, if you have at least some idea about some of the questions, your chances improve (you will have to guess on less questions).
One in four. The possibilities are; Red Red Blue Red Red Blue Blue Blue That means the number of ways an event can occur is one, while the number of possible outcomes is four. The definition of probability is the number of ways the event can occur over the number of possible outcomes, hence 1/4
The probability this student will fail is the same as the probability that some other student will flip a fair coin 20 times and get less than 8 heads, i.e., more than 12 tails. There are 2^20 possible different-looking sequences of 20 coinflips, which we assume all have equal probability. Of those sequences, 1 has no heads at all, 20 have exactly 1 head, 190 have exactly 2 heads, ... and 77520 have exactly 7 heads. So we sum up all those possible ways to fail and we get ... ... ... I'm assuming that the student answers randomly, flipping a fair (50:50) coin on each question to choose "true" or "false". In that special case, it doesn't matter how many of those twenty questions are true or how many are false. (If the student answers randomly by flipping an unfair coin, say a 25:75 coin, then it does matter how many of those questions are true -- I'll let you figure that one out).
20
The number of possible outcomes would be 2^6 = 64, since each of the six questions have two possible outcomes.
Sorry, but that question is unanswerable. The brain tree randomly generates outcomes. There fore there is no set answer.
It is 0.0033
If you randomly pick a date in April how many equally likely outcomes are there?
It is 0.0547
There are 25 that you have to take on the test and I believe they are randomly polled from 500 question
Assuming you reply each answer randomly, your probability is (1/2)10 = 1/1024 (about 0.1%). Of course, if you have at least some idea about some of the questions, your chances improve (you will have to guess on less questions).
No,it's not possible to delete the element randomly
31
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i am lololololololol
You sometimes can, if they come up randomly, but there is no way to select them specifically to answer.