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svetoff [14.1K]
2 years ago
11

I don’t get it because I don’t have a calculator

Mathematics
1 answer:
WARRIOR [948]2 years ago
3 0
Get what?
I don’t see a picture or what you need help on.
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velikii [3]
The answer for 32 is 6 and the answer for 33 is -3
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How many times does 20 go to 140
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7

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ann has 5 brand new CD’s, which is 3 less than twice the that bob (x) has. translate the situation into an algebraic equation
Nataliya [291]

Ann = 3 CD's

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3 years ago
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The mean for a data set is 60. The Z-score for
Vladimir [108]

Answer:

D. a = 60 and b = 58.8

Step-by-step explanation:

Z-score:

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

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 p-value, we get the probability that the value of the measure is greater than X.

Z-score for data point a is 0.

This means that a is the mean, that is, a = 60.

The z-score for data point b is -0.4.

This means that b must be a value below the mean, that is, a value below 60.

The option that satisfies a = 60 and b < 60 is option D, which is the answer.

7 0
2 years ago
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