a)
To find:
The probability that the number of students next year will be less than 250.
b)
To find:
The probability that the number of students next year will be less than 300.
c)
To find:
The probability that the number of students next year will be more than 350.
d)
To find:
The probability that the number of students next year will be more than 400.
e)
To find:
The probability that the number of students next year will be between 250 and 350.
f)
To find:
The probability that the number of students next year will be between 300 and 350.
g)
To find:
The probability that the number of students next year will be between 350 and 375.