In order to be certified, an EMT trainee (EMT stands for "emergency medical technician") must pass a written examination. A study of 76 trainees is conducted to assess the effectiveness of exam-preparation seminars in reducing the failure rate. The data are summarized below.
0 seminars attended
1 seminar attended
2 seminars attended
Total
Passed exam
5
14
19
38
Failed exam
8
15
15
38
Total
13
29
34
76
Find the probability that the trainee attended one seminar and passed the exam.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
You might also like to view...
Factor out the negative sign with the GCF.-4x - 28
A. -4(x + 7) B. 4(x - 28) C. -4x(8) D. 4(x - 7)
Mathematics
Multiply in the indicated base.1002 × 1112
A. 11002 B. 11,1102 C. 11,1002 D. 11,1012
Mathematics
In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "Lecture" sector?
A. 64.8° B. 18° C. 20° D. 32.4°
Mathematics
Answer the question.A positive number multiplied by two negative numbers and then divided by a positive number is .
Fill in the blank(s) with the appropriate word(s).
Mathematics