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Rus_ich [418]
3 years ago
10

The 2000 CDC growth charts were developed using a reference population of infants. A pediatrician looks up one of the charts and

finds that the 10th percentile for weights of baby boys at 3-1/2 months is 10.9 pounds. This means that _______ of the 3-1/2-month-old baby boys in the reference population weigh 10.9 pounds or less, and ________ of these baby boys weigh 10.9 pounds or more.
Mathematics
1 answer:
liberstina [14]3 years ago
5 0

Answer:

The 2000 CDC growth charts were developed using a reference population of infants. A pediatrician looks up one of the charts and finds that the 10th percentile for weights of baby boys at 3-1/2 months is 10.9 pounds. This means that *** about 10%*** of the 3-1/2-month-old baby boys in the reference population weigh 10.9 pounds or less, and ***about 90%*** of these baby boys weigh 10.9 pounds or more.

Step-by-step explanation:

Percentiles indicate the position or standing of a value as compared to the general set of values in the same sample space. They indicate the values below which a certain percentage of the data in a data set is found.

The nth percentile of a set of data is the value at which n percent of the data is below it.

Like in this example, the 10th percentile is the value (or score) below which 10% of the observations may be found. Similarly, 90% of the observations are found above the 20th percentile.

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All of the following are rational numbers: .5, 7, V16<br> O True<br> O False
wel

Answer:

Your answer is: A) True

( I say true because 1) .5 2) 7 are rational) ( I dont know about v16, if that is what it is supposed to say, then I cant quite tell)

A rational number is any integer, fraction, terminating decimal, or repeating decimal.

Step-by-step explanation:

Hope this helped : )

4 0
3 years ago
Yuki bought a pound of confetti for 12$. What is the price, in dollars, per ounce of confetti?
Likurg_2 [28]

Answer:

Yukio will pay $2 per ounce for the confetti

Step-by-step explanation:

Divide 12 and 16 that equals 0.75 then multiply 0.75 by 2 four times. and you get 2

6 0
2 years ago
Please help! ill mark you as brain if your right!!!!
yulyashka [42]

Answer:

SA = 1099 square inches.

Step-by-step explanation:

Just plug into the formula

SA = 2pir^2 + 2pi r h where pi = 3.14, r = 5 and h = 30

SA = 2 (3.14) (5^2) + 2 (3.14)(5)(30)

SA = 157 + 942

SA = 1099 square inches.

6 0
3 years ago
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Akimi4 [234]
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8 0
3 years ago
What is the value of (j+3k)(5)?<br><br> j(x) = (x + 4)^2; k(x) = 8 - x<br><br> (j + 3k)(5) =
jeyben [28]

Step-by-step explanation:

J=(x+4)²

K=(8-x)

X=5

=J+3k

=(x+4)(x+4)+3(8-x)

=(x²+8x+16+24-3x)

=25+25+40

=90

Alternatively:

J=(5+4)²

J=81

K=8-5

K=3

J+3k

81+3(3)

81+9

90

3 0
3 years ago
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