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Gre4nikov [31]
3 years ago
9

A mint produces 150000 souviner coins each year. In a random sample of 400 coins, 3 have a misprint. Predict the number of coins

that will have misprints in a year
Mathematics
1 answer:
swat323 years ago
7 0

Answer:

1125 coins

Step-by-step explanation:

To predict the number of coins with problem, we assume that for each 400 of the 150000 coins, we have 3 with misprint.

So, using rule of three, if 400 coins have 3 coins with problems, 150000 coins have X coins with problem:

400 -> 3

150000 -> X

400/150000 = 3/X

X = 150000*3/400 = 1125

We predict that 1125 coins will have a misprint.

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