RECENT ASSIGNMENT

3.
A machine that stuffs a cheese filled snack product can be adjusted for
the amount of cheese injected into each unit A simple random sample of
30 units is selected, and the average amount of cheese injected is found
to be ? 𝑥=3.5grams If the process standard deviation is known to be
𝜎=0.25grams, construct a 99 confidence interval for the average
amount of cheese being injected by the machine