2 years ago

Can someone pls help me with this question?

Mathematics

1 answer:

JulsSmile [24]2 years ago

8 0

Answer:

Step-by-step explanation:

I think so I might not be right but I'm sure it's c

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Nesterboy [21]

Step-by-step explanation :

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2 years ago

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What is 1/5 x 5 1/3? help please

Law Incorporation [45]

Answer:

1 1/15

Step-by-step explanation:

(I think)

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8 0

2 years ago

List 2/3 , 7/12 , and 3/4 from greatest to least thanks .

nikklg [1K]

For this question you should know that:
2/3 = 8/12
and
3/4 = 9/12
so now you can say:
7/12 < 8/12 < 9/12
so:
7/12 < 2/3 < 3/4 :)))
i hope this is helpful
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3 years ago

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A sleep time of 15.9 hours per day for a newborn baby is at the 10h percentile of the distribution of sleep times for all newbor

Nuetrik [128]

Answer:

option (D) 16.5

Step-by-step explanation:

Data provided:

Sleep time of , X = 15.9 is at the 10th percentile

Standard deviation, σ = 0.5 hour

also,

10th percentile of normal distribution is

Z = F⁻¹(0.10)

Z = - 1.28 (Using Standard Normal distribution)

Now,

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

X = μ + ( σ × Z )

μ = X - ( σ × Z )

on substituting the respective values, we get

μ = 15.9 - 0.5 × (-1.28)

μ = 16.5

Hence, the correct answer is option (D) 16.5

8 0

2 years ago

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Marysya12 [62]

Answer:

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Step-by-step explanation:

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2 years ago