subject
Mathematics, 04.02.2020 05:45 triciajfive

Abreathalyser test is used by police in an area to determine whether a driver has an excess of alcohol in their blood. the device is not totally reliable: 5 % of drivers who have not consumed an excess of alcohol give a reading from the breathalyser as being above the legal limit, while 15 % of drivers who are above the legal limit will give a reading below that level. suppose that in fact 12 % of drivers are above the legal alcohol limit, and the police stop a driver at random. give answers to the following to four decimal places.

a. what is the probability that the driver is incorrectly classified as being over the limit?
b. what is the probability that the driver is correctly classified as being over the limit?
c. find the probability that the driver gives a breathalyser test reading that is over the limit.
d. find the probability that the driver is under the legal limit, given the breathalyser reading is also below the limit.

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:30, sydneyglover302
What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm
Answers: 1
image
Mathematics, 21.06.2019 17:40, fdzgema17
An apartment has a replacement cost of $950,000 and contents valued at $1,450,000. it has a classification of a and a territory rating of 3. find the annual premium a) $10,185 b) $9,230 c) $3,155 d) $13,830
Answers: 2
image
Mathematics, 21.06.2019 18:00, nadinealonzo6121
3382-299=3383- ? fill in the blank?
Answers: 2
image
Mathematics, 21.06.2019 18:30, rachel2735
Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much
Answers: 1
You know the right answer?
Abreathalyser test is used by police in an area to determine whether a driver has an excess of alcoh...

Questions in other subjects:

Konu
Mathematics, 21.04.2020 23:53