embedded sensor is used to monitor a neuron in a human brain. We monitor the sensor reading for 100 ms and see if there was a spike within the period. If the person thinks of flexing his knee, we will see a spike with probability 0.9. If the person is not thinking of flexing his knee (due to background noise), we will see a spike with probability 0.01. For the average person, the probability of thinking of flexing a knee is 0.001 within a given period. (a) What is the probability that we will measure a spike? (b) What is the probability that the person wants to flex his knee, given that a spike was measured? (c) What is the probability that the person wants to flex his knee, given that no spike was measured?
An embedded sensor is used to monitor a neuron in a human brain. We monitor the
sensor reading for 100 ms and see if there was a spike within the period. If the person
thinks of flexing his knee, we will see a spike with
thinking of flexing his knee (due to background noise), we will see a spike with probability
0.01. For the average person, the probability of thinking of flexing a knee is 0.001 within
a given period.
(a) What is the probability that we will measure a spike?
(b) What is the probability that the person wants to flex his knee, given that a
spike was measured?
(c) What is the probability that the person wants to flex his knee, given that no
spike was measured?
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