Answer:
11
Step-by-step explanation:
15 - 4 = 11
Answer:
A B C E F G H I J K L M N O P Q R S T U V W Y & Z so I guess the value of A is 1
Step-by-step explanation:
Please put more details in the question
Answer:
0.5 or 50%
Step-by-step explanation:
For any given value of 'x' representing the time between arrivals of two customers. If 0 < x <120, then the cumulative distribution function is:

Therefore, the probability that the time between the arrivals of two customers will be more than 60 seconds is determined by:

The probability is 0.5 or 50%.