Answer: The confidence interval would be (0.2928,0.3672).
Step-by-step explanation:
Since we have given that
Total number of vehicles = 432
Number of SUVs sold = 142
So, it becomes,

At 90% confidence interval,
z = 1.645
So, the confidence interval would be

Hence, the confidence interval would be (0.2928,0.3672).
Answer:
xx
Step-by-step explanation:
1.8 divided by 7.74 is 0.23 .
And 56.4 divided 4.7 is 12 .
Area of a triangle = 1/2(B*H)
B = Base
Height = H
So if the height was 5 and the base was 10, it would be half of 50 which is 25.