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marysya [2.9K]
3 years ago
12

-2 (Y-1) =8what is Y( I thought it was 11 but it's not)

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
3 0

Answer:

Y=-3

Have a good day and please mark brainliest

Step-by-step explanation:

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A supervisor finds the mean number of miles that the employees in a department live from work. He finds x Overbar = 29 and s = 3
podryga [215]

The correct option is (B).24 miles.

Z-score is basically another term for the specific number of standard deviations. I suppose we can assume normality here, even though it isn't given, so I'd make a rough sketch.

Otherwise, just use the basic formula:

z_{score} =\dfrac{x-\mu}{\sigma}

 Given that,

\bar{x}=29 (statistic for a mean) and s=3.6 (statistic for a standard deviation).

Since z-score must be Less than 1.5, So

1.5> \dfrac{x-29}{3.6}\\

1.5 \times3.6 > x-29\\5.4+29> x\\34.4> x

I just used normal cdf and got 23.6.

Hence the correct option is (B).24 miles.

For more details on z score follow the link:

brainly.com/question/13299273

 

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2 years ago
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A scuba diver is swimming in the ocean 10 feet below sea level. Then, she dives down 12
Elis [28]

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4 years ago
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Y - X=-5<br> y = 2x2-3x-5<br> PLEASE HELP AND SHOW WORK <br> (substitution)
nikdorinn [45]

Answer:

Step-by-step explanation:

y - x = -5

y =  x-5

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8 0
3 years ago
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