Answer:
0.25
Step-by-step explanation:
From the given information:
Since the times are uniform distributed over the one hour period (0,1):
Then;
So, 
and 
are independent; then:
= 0.25
Answer:
A class has been omitted.
Explanation:
Given the frequency distribution shown in the attached table.
the frequency distribution is incorrectly constructed because a class has been omitted.
On the given table the class 133-137 is missing on the frequency distribution table.
Answer:
32
Step-by-step explanation:
I hope that those brackets mean the absolute value, which means that you will make both 26 and 19 positive, then adding which gives you 45 and then subtract 13, giving you 32.
Answer:
y = kx where k>0
Step-by-step explanation:
A direct variation is in the form
y = kx
where k is a numerical positive constant ( i.e. > 0 )
When the graph reaches his point
