Answer:
The probability that all are shipped on time is 0.729
Explanation:
Consider the provided information,
It is given that the probability that a customer's order is not shipped on time is 0.10.
So the probability that a customer's order is shipped on time is:

It is given that we need to consider independent events.
So the probability that all are shipped on time is:

Hence, the probability that all are shipped on time is 0.729