Idk b but 3 is because they are the same distance away from 0 and idk how to explain 4
Answer:


Step-by-step explanation:
Given

Solving (a): The mean of the 6 samples.
This is calculated as:

So, we have:



Solving (b): The sample standard deviation.
This is calculated using:

So, we have:




She saved 64 cents each week since you would simply divide the money by 5 weeks to get the amount of money she gets per week
Answer:
7x+Y=-2
Step-by-step explanation:
(y-y1)=m(x-x1)
(Y+4)=-7(x-2)
Y+4=-7x+2
Y+7x=2-4
7x+Y=-2
and 
There are 6 possible outcomes when rolling a die, 1, 2, 3, 4 , 5, 6
A
numbers less than 4 are 1, 2, 3
P( number less than 4 ) =
= 
B
numbers greater than 4 are 5, 6
P( number greater than 4 ) =
= 