Answer:
Option (2)
Step-by-step explanation:
Given expression is ÷
We further simplify this expression,
÷
=
=
=
Therefore, will be the quotient of the given expression.
and for which the given expression is not defined.
Option (2) will be the answer.
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Here is the answer for your problem. You will first need to divide by negative four to isolate the Y as it’s own variable. Then, there is the problem of that 3/4x on your left side. By subtracting it from both sides, you are isolating your Y all by itself and solving for Y.
Answer:
38.40% probability that it would take between 2.5 and 3.5 hours to construct a soapbox derby car.
Step-by-step explanation:
Problems of normally distributed samples are solved using the z-score formula.
In a set with mean and standard deviation , the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this problem, we have that:
Find the probability that it would take between 2.5 and 3.5 hours to construct a soapbox derby car.
This is the pvalue of Z when X = 3.5 subtracted by the pvalue of Z when X = 2.5
X = 3.5
has a pvalue of 0.6915
X = 2.5
has a pvalue of 0.3075
0.6915 - 0.3075 = 0.3840
38.40% probability that it would take between 2.5 and 3.5 hours to construct a soapbox derby car.
I believe that it is the second one. Intersection, union.