Question

a manufacture of matches claims that boxes contain ,on average ,49 matches. on checking output over a substantial period the manager finds that 3% of boxes contain fewer than 46.but 25%contain 51 or more. making reasonable assumptions ,calculate the mean and standard deviation of the number of matches per box. do you feel that the manufactures claim is plausible ?

Answer 1

Answer:

claims that boxes contain ,on average ,49 matches. on checking output over a substantial period the manager finds that 3% of boxes contain fewer than 46.

Answer 2

Answer:

plz correct your question