A geospatial analysis system has four sensors supplying images

Statistics Nov 18, 2020

A geospatial analysis system has four sensors supplying images. The percentage of images supplied by each sensor and the percentage of images relevant to a query are shown in the following table.\

Sensor Percentage of Images Supplied Percentage of Relevant Images

1 15 50

2 20 60

3 25 80

4 40 85

If an image is selected and found to be relevant, what is the probability that it came from (i) sensor 1, (ii) sensor 2, (iii) sensor 3, (iv) sensor 4?