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VARVARA [1.3K]
3 years ago
13

A previous analysis of paper boxes showed that the the standard deviation of their lengths is 9 millimeters. a packer wishes to

find the 98% confidence interval for the average length of a box. how many boxes does he need to measure to be accurate within 3 millimeters?
Mathematics
1 answer:
maksim [4K]3 years ago
7 0
Hhsjkskjsbsbjdjnd sjziksbdbsusbs
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You bake a batch of muffins. You freeze 6 muffins and share the rest equally among yourself and 2 friends. Write an
dimulka [17.4K]
This makes sense to me: m=(y-6)/3

m is the number of muffins each friend gets, y is the original quantity of muffins, -6 is = to the number of muffins you freeze, and the /3 is to split the remaining (unfrozen) muffins equally.
4 0
3 years ago
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Which of the following is NOT a requirement of testing a claim about two population means when 1 and 2 are unknown and not assum
andrey2020 [161]

Answer:

The correct answer is D because they are unknown

Step-by-step explanation:

7 0
3 years ago
-10 + square root of 2x+1 = -5
Citrus2011 [14]

Answer:

Step-by-step explanation:

-10+sqrt2x+1 = -5

sqrt2x+1 = -5+10

sqrt2x+1 = 5

2x+1 = sqrt5

2x = sqrt5-1

x = (sqrt5-1)/2

5 0
3 years ago
Evaluate: 23 + x/8 for x = 8
sveta [45]
23 + x/8

substitute 8 in x

23 + 8/8

23 + 1 = 24
8 0
3 years ago
Read 2 more answers
I just want to see if my answer is correct, I haven't done volume in a long time!
motikmotik
You did it right because 12 x 2 = 24 x 8 = 192
7 0
3 years ago
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