Ask Question
29 February, 02:00

The number of nails of a given length is normally distributed with a mean length of 5 in. and a standard deviation of 0.03 in. In a bag containing 120 nails, how many nails are between 4.97 in. long and 5.03 in. long?

about 41 nails

about 82 nails

about 60 nails

about 57 nails

+3
Answers (1)
  1. 29 February, 04:34
    0
    z = (4.97-5) /.03=-1

    z = (5.03-5) /.03=+1

    area under normal curve between - 1 and 1 is. 683

    120*.683=82.0 nails are between 4.97 in. long and 5.03 in. long.

    .
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The number of nails of a given length is normally distributed with a mean length of 5 in. and a standard deviation of 0.03 in. In a bag ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers