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Aleks [24]
3 years ago
5

String cheese sticks are sold in packs of 10, and celery sticks in packs of 15. Ms. Sobrino wants to give each of 30 students on

e string cheese stick and one celery stick. What is the least number or packs she should buy so there are non left over?
Mathematics
1 answer:
Maslowich3 years ago
8 0

Answer:

3 packs of string cheese and 2 packs of celery

Step-by-step explanation:

10x3=30 string cheese and 15x2=30 celery

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The normal distribution curve for the problem is shown below

We need to standardise the value X=405.5 by using the formula

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Note that z-table would give the reading to the left of z-score, so if your aim is to work out the area to the right of a z-score, then you'd need to do:

P(Z\ \textgreater \ z)=1 - P(Z\ \textless \ z)

from  the z-table, the reading P(Z\ \textless \ 0.32) gives 0.6255

hence, 
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3 years ago
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