Answer:
Area of part 1: 3 * =
Area of part 2:
Area of entire rectangle:
Step-by-step explanation:
The area of a rectangle can be found by using formula : length * width.
The area of part 1 can be simplified to this:
3 * =
Area of part 2:
The area of the entire rectangle can simply be added from part 1 and part 2.
For area 2, remember multiplying the square root of 2 twice nullifies the square root. So it becomes 15 * 2, which is equal to 30.
Answer:
B) μD = 0.60 ± 0.10(1.397)
Step-by-step explanation:
The confidence interval is given by:
Where
MD=60
n=9
df=n-1=8
Then the confidence interval is
μD=0.60±1.397*(0.3/√9)
μD=0.60±0.10*(1.397)
Answer:
The minimum guaranteed mileage is
Step-by-step explanation:
From the question we are told that
The mean is
The standard deviation is
Generally for the probability to be 4% the minimum guaranteed mileage is evaluated as
=>
=>
From the z table, the critical value corresponding to 0.96 to the left of the curve is
So
=>