Answer:
The probability is 
Step-by-step explanation:
From the question we are told that
The percentage that are on time is p = 0.76
The sample size is n = 11
Generally the percentage that are not on time is



The probability that no more than 4 of them were on time is mathematically represented as

=> 


Answer:
What expression are we supposed to be answering this for?
Answer:
y = 96°
Step-by-step explanation:
The measure of the inscribed angle y is half the measure of its intercepted arc.
The whole circle = 360°
the intercepted arc = 360° - 168° = 192°
Thus
y =
× 192° = 96°