Mathematics, 27.09.2019 20:30 iselloutt4fun
On discovering that her family had a 70% risk of heart attack, erin took a treadmill test to check her own potential of having a heart attack. the doctors told her that the reliability of the stress test is 67%. the test predicted that erin will not have a heart attack. what is the probability after the test was taken that she will have a heart attack?
a. 0.4051
b. 0.5010
c. 0.4653
d. 0.6632
Answers: 2
![P(\text{Correctly\ tested})=[P(\text{No\ heart\ attack})\times P(\text{Correctly\ tested})]+[P(\text{Heart\ attack})\times (\text{Incorrectly\ tested})]](/tpl/images/0268/9858/38e64.png)
![=[0.3\times 0.67]+[0.7\times 0.33]=0.432](/tpl/images/0268/9858/f5478.png)
Another question on Mathematics
Mathematics, 22.06.2019 02:30
Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20
Answers: 1
Mathematics, 22.06.2019 02:30
Hurry the figure shows the front side of a metal desk in the shape of a trapezoid.what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²
Answers: 3
You know the right answer?
On discovering that her family had a 70% risk of heart attack, erin took a treadmill test to check h...
Questions
Mathematics, 26.05.2020 22:57
History, 26.05.2020 22:57
Biology, 26.05.2020 22:57
Spanish, 26.05.2020 22:57
History, 26.05.2020 22:57
Biology, 26.05.2020 22:57
Chemistry, 26.05.2020 22:58
Mathematics, 26.05.2020 22:58
Mathematics, 26.05.2020 22:58
History, 26.05.2020 22:58
Mathematics, 26.05.2020 22:58
Spanish, 26.05.2020 22:58
