fabianca09916
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A batch of 5500 computers is produced by a company. Four random samples of 35 computers per sample are
tested. The numbers of defective computers found in the fou samples are shown in the table.
Sample of 35
Computers
Number of
Defective
Computers
А
1
B
3
с
1
D
2.
Based on these results, how many defective computers should be expected in the entire batch of 5500 computers?

Sagot :

It's around 1 to 3

So

From 35 it's 1,2,3

From 5500 samples of 35

  • 5500/35≈157

Now

If 1 comes from each

  • 157(1)=157 detects

If 2

  • 157(2)
  • 314detects

If 3

  • 157(3)
  • 471 detects
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