Question

3b. The length of life of an intent produced by a mche la somal dwrbums with
a mean of 12 months and standard devation of 2 mhs. Find the probahdits that an
instrument produced by this machine will last ta lex thun 7 month (b) Berween 7 and
12 months​

Answer 1

Answer:

The length of life of an intent produced by a mche la somal dwrbums with

a mean of 12 months and standard devation of 2 mhs. Find the probahdits that an

instrument produced by this machine will last ta lex thun 7 month (b) Berween 7 and

12 months