Answer:
Option a) [5.567, 5.633]
Step-by-step explanation:
We are given the following in the question:
Sample mean, 
= 5.6 feet
Sample size, n = 27
Alpha, α = 0.10
Sample standard deviation, s = 0 .1 feet
90% Confidence interval:
Putting the values, we get,
Option a) [5.567, 5.633]
94=y/4-18
first you would +18 on each side with a result of 112=y/4 then you would x4 on each side with an end result of 448=y
y=448
Answer:
26.8cm²
Step-by-step explanation:
the area if a rectangle is 53.6cm^2.If the length is multiplied by four and the width is halved, the area would then be?
Area of rectangle = length x width
53.6 = 4L x 1/2 W
53.6 = 2L × W
Divide both sides by 2
L × W = 53.6 ÷ 2
New area = 26.8cm²
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