SOLUTION: A hospital laboratory uses two tests to classify each sample of blood. The first test correctly identifies the blood type 57 percent of the time, and the second test correctly iden

Question 1041973: A hospital laboratory uses two tests to classify each sample of blood. The first test correctly identifies the blood type 57 percent of the time, and the second test correctly identifies the blood type 60 percent of the time. If the probability is 0.62 that at least one of the tests correctly identifies the blood type, what is the probability that both tests correctly identify the blood type?
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
If the first test is correct 57% of the time, and the second is correct 60% of the time, and they are both correct 55% of the time, then the chance that at least one is correct is 62% of the time.
57+60-62=55
57+60-55=62
The chance that they are both correct is .55, or 55%. ☺☺☺☺
RELATED QUESTIONS
A laboratory worker finds that 3% of his blood samples test positive for the HIV virus.... (answered by Boreal)

A laboratory worker finds that 3% of his blood samples test positive for the HIV virus.... (answered by stanbon)

The amount of red blood cells in a blood sample (answered by ikleyn)

The most common human blood group is O which is estimated to be 45% in US population. If... (answered by Boreal)

Let X be a random variable that represents the level of glucose in the blood (milligrams... (answered by Boreal)

please help me......when counting the amount of blood at the hospital blood bank meredith (answered by Nate)

A laboratory claims that the mean sodium level, μ , of a healthy adult is 143 mEq... (answered by stanbon)

When counting the amount of blood at the hospital blood bank, Meredith determined that... (answered by tran3209)

A group of 15 individuals is used for a biological case study. The group contains 3... (answered by greenestamps,ikleyn)