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Brrunno [24]
3 years ago
13

(URGENT) Erythropoietin, a hormone that causes red blood cell production, is secreted by the_____

Mathematics
2 answers:
UkoKoshka [18]3 years ago
8 0
Kidneys. ( small amount comes from liver)
navik [9.2K]3 years ago
8 0

Answer:

Kidneys

Step-by-step explanation:

Erythropoietin is a hormone, produced mainly in the kidneys, which stimulates the production and maintenance of red blood cells.

hope this helped!

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Answer:

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Step-by-step explanation:

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In a random sample of n1 = 162 males, there are x1 = 63 people that have blue eyes. In a random sample of n2 = 333 females, ther
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Answer:

z = 2.1784 > 1.96,

Reject the null hypothesis

Step-by-step explanation:

For the males:

n1  = 162, x1 = 63

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For the Females:

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x2 = 97

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P 1= P2 Null hypothesis

P 1 is not equal to P 2 alternative hypothesis

Pooled proportion:

P= (x1 + x2) /( n1+ n2)

= (63 + 97) / (162 + 333)= 0.3232

Test statistics :

Z= (p1 - p2) /√p(1-p)× (1/n1 + 1/n2)

0.3889- 0.2913 / √0.3232 × 0.6768 × (1/162 +1/333)

=2.1784

c) Critical value :

Two tailed critical value, z critical = Norm.S .INV (0.05/2) = 1.960

Reject H o if z < -1.96 or if z > 1.96

d) Decision:

z = 2.1784 > 1.96,

Reject the null hypothesis

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