the answer is to any questions,and have to guess each answer.
A.find the probabily of answering the first questions correctly.
B.Find the probability of answering the first 2 questions corrctly.
C.Find the probabily of answering all 3 questions corrcectly'
D.Find the probability of answering none of the questions correctly.
E.Find the probability of anwering at least 1 of the questions correctly.
2007-10-28 05:36:30 · 3 answers · asked by hasty 1 in Education & Reference ➔ Homework Help
1. 1:5
2. 1:5
3. 1:5
4. 4:5
5. 1:3
2007-10-28 05:45:26 · answer #1 · answered by Anonymous · 1⤊ 0⤋
The chance is one in five on every question. You can calculate the odds by multiplying the number of answers by five. However if you answer every question with the same letter, say 'A' you'll probably get one right.
2007-10-28 12:48:58 · answer #2 · answered by quatt47 7 · 0⤊ 0⤋
A. 1 out of 5
B. 2 out of 10
C. 3 out of 15
D. 12 out of 15
E. 1 out of 5
2007-10-28 12:43:22 · answer #3 · answered by Caleb 2 · 0⤊ 0⤋