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marusya05 [52]
3 years ago
9

What does a standard score measure

Mathematics
1 answer:
Alexxx [7]3 years ago
5 0
The standard score (more commonly referred to as a z-score) is a very useful statistic because it (a) allows us to calculate the probability of ascore occurring within our normal distribution and (b) enables us to compare two scores that are from different normal distributions.
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2x + 5 = 4 (5/4 - 1/2 x)
ruslelena [56]

Answer:

x=0

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2x+5=−2x+5

Step 2: Add 2x to both sides.

2x+5+2x=−2x+5+2x

Step 3: Subtract 5 from both sides.

4x+5−5=5−5

4x=0

Step 4: Divide both sides by 4.

4x/4=0/4

X=0

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anastassius [24]
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Divide 110 g of salt in ratio 5 : 8 : 9; what is the result ?
vekshin1

110grams÷22 =5

5+8+ 9 =22

5 x5=25

5x8=40

5x9=45

The ratio is 25:40:45

5 0
3 years ago
Find the product of 8 and 6​
motikmotik
To find the product of 8 and 6 work out 8 multiplied by 6 which is 48
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What is the prudct of 7\9 and 6
mezya [45]

Answer:

378

Step-by-step explanation:

9 × 7 × 6 = 378

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