If my original price is $60, then the sale price is $45, what is the percent discount
1 answer:
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First take the fractions and find their common denominator:
x 4 =
Now you can add the fractions:
Now add your whole numbers and the fraction:
1+1= 2 >> 2+
= 2 yards
Now subract 2 from 5:
5-2
=2
yards
Now you can add the fractions:
Now add your whole numbers and the fraction:
1+1= 2 >> 2+
Now subract 2
5-2
Answer:
p(on schedule) ≈ 0.7755
Step-by-step explanation:
A suitable probability calculator can show you this answer.
_____
The z-values corresponding to the build time limits are ...
z = (37.5 -45)/6.75 ≈ -1.1111
z = (54 -45)/6.75 ≈ 1.3333
You can look these up in a suitable CDF table and find the difference between the values you find. That will be about ...
0.90879 -0.13326 = 0.77553
The probability assembly will stay on schedule is about 78%.
