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Grace [21]
3 years ago
7

PLZ i want the answer

Mathematics
1 answer:
Arlecino [84]3 years ago
6 0

Answer:

0.28

Step-by-step explanation:

You would just add the 2 values you have and then subtract them from 1, the remaining value is your answer.

Here is what I did...

0.3 + 0.42 = 0.72

1 - 0.72 = 0.28

Probability of pasta is 0.28 or 28%.

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bogdanovich [222]

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3x^2y

Step-by-step explanation:

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The length of a cell phone is 8 centimeters to the
igor_vitrenko [27]

Answer:

81 mm is more  precise

Step-by-step explanation:

millimeters are smaller than cm

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3 years ago
Read 2 more answers
Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below
Anastaziya [24]

Answer:

Nico

Step-by-step explanation:

In order to compare who had the best performance on the aptitude test, we can use Z score. Z score indicates how many standard deviation a result  is over the mean. For this case the higher the result is, the best is the performance on the aptitude test.

Z score is expressed with the following formula:

Z=(X-μ)/σ

Where:

X is the test score

µ is the mean

σ is the standard deviation

Replacing in the formula we obtained

For Nico:

X = 88.3

µ = 66.2

σ = 13

Z=(88.3-66.2)/13=1.7

For Justin:

X = 226.2

µ = 216

σ = 17

Z=(226.2-216)/17=0.6

For Tera:

X = 7.97

µ = 7.2

σ = 0.7

Z=(7.97-7.2)/0.7=1.1

Nico had the higher Z score which means he had the better performance on the test and he should be offered the job.

3 0
3 years ago
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