Solution
1) Simplify
<span> to </span>
<span>−2= </span>
+
2) Simplify
+
<span>to <span>914</span>
</span>
<span>−2= </span>
3) <span>Add 2 to both sides
</span>
=
<span>+2
</span>
4) Simplify
<span><span>+2</span> to </span>
=
5) <span>Multiply both sides by 7
</span><span>4y= </span>
<span>×7
</span>
6) Simplify
<span><span>×7</span> to </span>
=
7) Simplify
<span> to </span>
=
8) <span>Divide both sides by 4
</span>y=
<span>×4
</span>
9) <span>Simplify <span>2×4</span> to 8
</span><span>y=</span>
<span><span>
Hope this helps
</span></span>
Using z-scores, it is found that the value of z is z = 1.96.
-----------------------------
Normal Probability Distribution
Problems of normal distributions can be solved using the z-score formula, which for a measure X, in a distribution with mean and standard deviation , is given by:
- It measures how many standard deviations the measure is from the mean.
- Each z-score has an associated p-value, which is the percentile.
- The normal distribution is symmetric, which means that the middle 95% is between the <u>2.5th percentile and the 97.5th percentile</u>.
- The 2.5th percentile is Z with a p-value of 0.025, thus Z = -1.96.
- The 97.5th percentile is Z with a p-value of 0.975, thus Z = 1.96.
- Thus, the value of Z is 1.96.
A similar problem is given at brainly.com/question/16965597
Answer:
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Step-by-step explanation: sorry lol
Answer:
1
Step-by-step explanation:
10³/10³
10³-³
10⁰=1
Formula a¹÷a¹=a¹-¹=a⁰. (Exponents and Powers)
And
a⁰=1
hope it helps..
This is a formula if you need one. DON'T forget to cross-multiply
3/4 = x/12