Three students want to estimate the mean backpack weight of their schoolmates. To do this, they each randomly chose 8 schoolmates and weighed their backpacks. Then as per the given sample data,
(a) The sample means of the backpacks are: 6.375,6.375,6.625
(b) Range of sample means: 0.25
(c)The true statement is: The closer the range of the sample means is to 0, the less confident they can be in their estimate.
For the first sample, mean= 6.375
For the second sample, mean= 6.375
For the third sample, mean= 6.625
Range of sample means=Maximum Mean- Minimum Mean
= 6.625 - 6.375
= 0.25
The students will estimate the average backpack weight of their classmates using sample means, the true statement is:
The closer the range of the sample means is to 0, the more confident they can be in their estimate.
Learn more about range here:
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You have 360+360*20%=360+360*20/100=360+72
So you have 432
Answer:
The cost of 7 roses and 8 petunias is $9001
Step-by-step explanation:
We are given expression for cost as
where
r is number of roses
p is petunias
We are given
r=7
and
p=8
so, we can plug here
now, we can simplify it
and we get
So,
The cost of 7 roses and 8 petunias is $9001
Answer:
I am not entirely sure mi amor but my guess is this,
(x^2/1) + 2x
Step-by-step explanation:
As you can see,
Step 1: X^2 is located above x/x. when you divide something by itself for example 2/2 you get one. So x/x equals one, then multiplied by two x.
*DISCLAIMER*
I am not entirely sure if this is correct but given the information provided this is my best guess
I hope this helps!! If you need any more assistance, feel free to hmu!
♥,
Cedë
Wouldn’t it be 5/3 cause x/y
Someone help a little more please, I’m not sure what setup they want
