Answer:
1/3
Step-by-step explanation:
The line is split into 3 sections between 1 and 2, and A to B is one of those thirds.
Answer:
a) 27
b) 15
Step-by-step explanation:
An uniform probability is a case of probability in which each outcome is equally as likely.
For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.
The mean of the uniform distribution is:

The variance of the uniform distribution is given by:

The standard deviation is the square root of the variance.
They can be said to follow a Uniform distribution from 1 to 53
This means that 
a. The mean of this distribution is

b. The standard deviation is:

Answer:
does it have to be simpilfied? if not: 19/20
Step-by-step explanation:
Answer:
B
Step-by-step explanation: