Table of Contents
What is the probability you get at least one correct?
❖ “At least one” is equivalent to “one or more.” To find the probability of at least one of something, calculate the probability of none and then subtract that result from 1. That is, P(at least one) = 1 – P(none).
What is the probability of getting at least 4 right?
If you are wondering about getting AT LEAST 4, you need to include the option RRRRR and your answer would becomes approximately 0.59\% odds.
How do you find the probability of at least one event occurring?
Solution:
- P(makes at least one) = 1 – P(misses a given attempt) n
- P(makes at least one) = 1 – (0.80)
- P(makes at least one) = 0.672.
What is the probability of getting at least six right answers?
If it were at least six, we can ignore 4 problems and focus on 6 of them. The probability of getting one correct is 1/2, as is each other of the 6. Multiply them all together to get the probability that you get at least six right. You can ignore the other four because it doesn’t matter what those are.
What is the probability of getting 6 results in exhaustive ways?
Now, consider that there are 10 trials with 2 outcomes as true and false. So, exhaustive ways are 2^10=1024 ways. That would depend if you meant exactly six, or at least six. If it were at least six, we can ignore 4 problems and focus on 6 of them. The probability of getting one correct is 1/2, as is each other of the 6.
How many correct answers do you need to get an F?
Let’s further say that you get an F for 0 to 6 correct answers, a D for 7 correct answers, a C for 8 correct answers, a B for 9 correct answers, and an A only for a perfect 10 correct answers So, about 10\% of the class are going to get 6 or fewer answers correct.
How do you use multiple choice probability calculator?
Multiple Choice Probability Calculator. If you have carried out an assessment where someone makes a response by choosing from a set of possible responses (e.g. by pointing at a picture), you can use this to work out how likely they could have scored what they got on the test by chance.