%19.17
(120 × 0.4) - 10 - 15 =23/120 = 19.16666667
Answer:
Option a) A 95% confidence interval for the mean diameter of the 120 bearings in the sample is .
Step-by-step explanation:
We are given the following information in the question:
Sample size, n = 120
Sample mean = 10 mm
Standard Deviation = 0.24 mm
Formula:
Hence, the correct interpretation for the confidence interval is given by option a).
A 95% confidence interval for the mean diameter of the 120 bearings in the sample is .
We have to consider the factor of sampling of 120 ball bearings from a population of 10,000 ball bearings.
Answer:
the answer is D, (-2,4)
Step-by-step explanation:
Hope this helps!❆
Answer:
I don’t know the area but here’s a hint to help you (hint: length x with x height)
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
5+3+4=?
8+4=?
12