The probability that a train leaves on time is 0.9. If Esme takes the train 10 times, how many times can she expect to be on time?

9

Step-by-step explanation:

The probability that she leaves on time is. 9

To find out how many times she will leave on time, take the probability times the number of events

on time departures = P (on time) * departures

=.9 * 10

=9

She should leave on time 9 times