Binomial Probability Calculation
A student randomly guesses the answers to 10 multiple-choice questions, each with 4 options and only one correct answer. What is the probability that the student answers between 2 and 4 questions correctly, inclusive?
A
0.7361
B
0.6982
C
0.7576
D
0.8497
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | minapup17 | 0 | 1 | 0m 00s | -10 |
| #2 | 28lim.yeji | 0 | 1 | 0m 00s | -10 |
| #3 | h62018675 | 0 | 3 | 0m 16s | -46 |
| #4 | abygail.gonzalez69 | 1 | 2 | 5m 47s | -257 |
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