If a patient is selected at random, find these probabilities. A)Patient has had exactly 2 tests done. B) Patient has had at least 2 tests done.C) Patient has had at most 3 tests.D)Patient has had 3 or fewer tests done. E)Patient has had 3 or fewertests?
The frequency distribution shown here illustrates the number of medical tests conducted on 30 randomly selected emergency patients.
Number of tests performed Number of patients
0 12
1 8
2 2
3 3
4 or more 5
The frequency distribution shown here illustrates the number of medical tests conducted on 30 randomly selected emergency patients.
Number of tests performed Number of patients
0 12
1 8
2 2
3 3
4 or more 5
1 Answer
A)
Explanation:
total number of patients
A) exactly
frequency table shows that
B) at least
C)at most
[C, D, and E seem to be the same]