Answer:
{-3, -4}
Step-by-step explanation:
hope it will help you☺
Answer:4
Step-by-step explanation:
you divide 72 by 18.
you showed no diagram or any picture / screenshot
Answer:
95% of monthly food expenditures are between $110 and $190.
Step-by-step explanation:
Given : The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. The sample mean is $150 and the standard deviation is $20.
To find : Using the Empirical rule, about 95% of the monthly food expenditures are between which of the following two amounts?
Solution :
At 95% of the data is between two standard deviation to left and right of the mean is given by,
To the left side,
To the right side,
We have given,
The sample mean
The standard deviation
Substitute in the formula,
Therefore, 95% of monthly food expenditures are between $110 and $190.
Easy ill tell u and then do a equation first sense it has - it means u have to subtract alright it goes like this. 17,1
9,3
--------
7,8
and this is ur answer as u see in my equation ur welcome only give me brainiest only if im right