Mathematics
10.12.2020 18:30
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There are six multiple-choice questions on an exam, each with three possible answers.
There are six multiple-choice questions on an exam, each with three possible answers. (a) Determine the number of possible answer sequences for the six questions. (b) Only one of the sets can contain all six correct answers. If you are guessing, so that you are as likely to choose one sequence of answers as another, what is the probability of getting all six answers correct
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alkaline27
5,0(92 marks)
a) 729
b)0.0014
Step-by-step explanation:
(a) In order to determine number of possible answers, we'll use combination method
nPr= 
where,
n=3 and r=6
number of possible answers= 
=> 729
(b) If Only one of the sets can contain all six correct answers.
probability of getting all five answers correct = 1/ 729 => 0.0014
hixcatt05
4,8(18 marks)
This is a lot of words and i don’t feel like answering it sorry
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