Answer:
72 trips
Step-by-step explanation:
<em>Hey there!</em>
Well to find the amount of trips the ferry will need to take we'll do,
2232 ÷ 31 = 72
72 trips
<em>Hope this helps :)</em>
Answer:
54.80 MPa to 55.92 MPa
Step-by-step explanation:
Sample mean fracture strength (x) = 55.36 MPa
Sample standard deviation (s) = 3.99 MPa
Sample size (n) = 196.
The upper and lower bounds for a 95% confidence interval are given by:

The upper and lower bounds of the confidence interval are;

The 95% confidence interval for true average fracture strength is 54.80 MPa to 55.92 MPa
Answer:
hexagon
Step-by-step explanation: