bjay12385Jbc123 bjay12385Jbc123
  • 04-01-2019
  • Mathematics
contestada

The number of nails of a given length is norm ally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. Find the number of nails in a bag of 120 that are over 5.03 in. long.

A. About 40 nails
B. About 30 nails
C. About 20 nails
D. About 10 nails

Respuesta :

mathecoach
mathecoach mathecoach
  • 04-01-2019

Answer:

120·(1 - Ф((5.03 - 5)/0.03)) ≈ 20 nails

Answer Link

Otras preguntas

All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})
find the circumference of a circle whose radius is 15.4cm
What value of x makes the equation true ? 4(2x-4)=16
find the circumference of a circle whose radius is 15.4cm
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
find the circumference of a circle whose radius is 15.4cm
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
What value of x makes the equation true ? 4(2x-4)=16
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
What value of x makes the equation true ? 4(2x-4)=16