A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 428428 gram setting.
1 answer:
Answer:
z-test
Step-by-step explanation:
-A z-test is a test used to determine the difference in two population means of known variances.
-The sample size has to be large enough, (n=71).
-And, the population must follow a normal distribution.
-Since our sample meets all the above conditions, the hypothesis test used is a z-test
You might be interested in
Answer:
Present value = $4,122.4
Accumulated amount = $4,742
Step-by-step explanation:
Data provided in the question:
Amount at the Start of money flow = $1,000
Increase in amount is exponentially at the rate of 5% per year
Time = 4 years
Interest rate = 3.5% compounded continuously
Now,
Accumulated Value of the money flow =
The present value of the money flow =
=
=
=
= 1000 × [70.7891 - 66.6667]
= $4,122.4
Accumulated interest =
=
= $4,742