APFIVE Binomial Probability Calculation
A student answers 10 multiple-choice questions by guessing randomly. Each question has 4 options with only one correct answer. What is the probability that the student gets between 2 and 4 correct answers, inclusive?
A
0.6982
B
0.8497
C
0.7576
D
0.7361
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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