A local grocery store tested spinach samples for E coli bacteria using two different tests. The first test has a 94% probability of giving accurate results, while the second test is accurate 89% of the time. A sample that contains E coli bacteria is tested.
The probability that both tests detect the bacteria is...?

Question

A local grocery store tested spinach samples for E coli bacteria using two different tests. The first test has a 94% probability of giving accurate results, while the second test is accurate 89% of the time. A sample that contains E coli bacteria is tested.
The probability that both tests detect the bacteria is...?

mrm · Answer

What is the probability of two independent events occurring?  (hint: copy and paste this question into Google)

mrm · Answer

Remember to represent probabilities in decimal form, eg: 25% = 0.25, 99% = 0.99, 100% = 1