Course materials are sent to students by...

Course materials are sent to students by a distance education institution. The probability that they will send a wrong programme’s study material is `1/5`. There is a probability of `3/4` that the package is damaged in transit, and there is a probability of `1/3` that there is a short shipment. What is the probability that the complete material for the course arrives without any damage in transit ?

`4/5`

`8/60`

`8/15`

`4/20`

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