Considering the situation described, the appropriate null hypothesis is given by:
<h3>What are the hypothesis tested?</h3>
At the null hypothesis, it is tested if the proportion is the expected one, that is, of 9%, hence:
At the alternative hypothesis, it is tested if there is enough evidence to conclude that the proportion is above 9%, hence:
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Answer:
y= -5/3 x - 6
Step-by-step explanation:
3x-5y=20
-5y=20-3x
y= (3/5)x - 5
3/5 is the slope
a perpendicular line's slope is the opposite reciprocal
-5/3 = m
y-y1=m(x-x1)
(-6, 4) = (x1, y1)
plug in the values
y-4= -(5/3) (x+6)
y-4= -5/3 x - 10
y= -5/3 x - 6
950 * .05 = $47.5
550 * .04 = $22
$47.5 + $22 = $69.50 interest earned
answer: amount in 4% account = $550
