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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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Abi and Ali shared £35 in the ratio 1 : 6.<br> Work out how much Ali received.
baherus [9]

Answer:

£30

Step-by-step explanation:

To tackle these 'sharing' ratios problems, first find the total amount parts in the ratio.

1 : 6 = 1 + 6 = 7 parts

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4 0
3 years ago
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7
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Answer:

<u>Volume</u><u>:</u> 1135.82 yd³

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V = whl

12.2 · 9.8 · 9.5

1135.82

A = 2(wl + hl + hw)

2 · (12.2 · 9.5 + 9.8 · 9.5 + 9.8 · 12.2)

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Answer:

667.16 or 667.2

Step-by-step explanation:

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