chills29 chills29
  • 02-12-2018
  • Mathematics
contestada

Help me on number problem 11 please

Help me on number problem 11 please class=

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Аноним Аноним
  • 02-12-2018

Answer:

0.42 and 0.55

Step-by-step explanation:

First work out the mean length of the batch:-

= (0.42 + 0.53 + 0.55 + 0.48 + 0.51) /  5

= 0.498

Check each nail against this mean:-

0.42 is  0.078 less than the mean so should be thrown out

the other one is 0.55  ( as 0.55 - 0.498 = 0.52 more than the mean))

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