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Harrizon [31]
3 years ago
12

In the expression 3x + 7, what is the coefficient?

Mathematics
2 answers:
Phantasy [73]3 years ago
8 0

Answer:

3 is the coefficient of that expression.

the coefficient is the number that is placed before the variable that you'd be multiplying. (in this case the variable is x)

slava [35]3 years ago
8 0
Ok so The answer is -22 :)
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Motorola used the normal distribution to determine the probability of defects and the number of defects expected in a production
Lena [83]

The question supplied is incomplete :

The x parameters aren't given ; "Units with weights less than or greater than ounces will be classified as defects"

Assume the unit weights Given are ;

Units with weights less than 10.8 or greater than 11.2 ounces will be classified as defects

Just follow the procedure in the solution for any value of unit weight interval given.

Answer:

0.3173

Step-by-step explanation:

Mean weight, m = 11 ounces

Standard deviation, s = 0.2 ounces

Find the Zscore for each unit weight :

Z = (x - mean) / standard deviation

P(x < 10.8) :

Z = (10.8 - 11) / 0.2 = - 1

P(Z < - 1) = 0.15866

P(x > 11.2) :

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P(Z > 1) = 0.84134

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Hence, Probability of a defect is 0.3173

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