3 Points Anissa owns a brick house in the country worth $85,000, and the contents of
the house are valued at $15,000. Use the table below to calculate her annual
property insurance premium.
Annual Premium per $100 of coverage
Brick
Steel
Mixed
Wood
Area
Building Contents Building Contents Building Contents Building Contents
rating
City 0.39
0.43 0.5
0.54
0.55 0.65 0.66 0.76
Suburb 0.45 0.52 0.56 0.63 0.72 0.74 0.83 0.85
Rural 0.6 0.69 0.71 0.8 0.89
0.91 1
1.02
A. $150.00
B. $950.00
C. $918.65
D. $613.50

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.