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miv72 [106K]
1 year ago
15

A COUPLE PLAN TO HAVE THREE CHILDREN.

Mathematics
1 answer:
Helen [10]1 year ago
4 0
A) 8 possibilities
BBB
GBB, BGB, BBG
BGG, GBG, GGB
GGG

B) 0, 1, or 2 boys not 3
7/8

C) 2 or 3 girls
4/8=1/2

D) same sex
2/8=1/4
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ArbitrLikvidat [17]

Answer:

E(x) = 7.05

Step-by-step explanation:

We are given the following information in the question:

  x:        1              2              4              8              16

p(x):     0.05        0.10          0.30         0.40         0.15

Formula:

E(x) = \sum x.p(x)\\= (1)(0.05) + (2)(0.10) + (4)(0.30) + (8)(0.40) + (16)(0.15)\\= 7.05

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3 years ago
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3 years ago
Evaluate P(5, 3). 15 20 60
insens350 [35]

Answer:

20.

Step-by-step explanation:

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3 years ago
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Answer:

11. Corresponding

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4 years ago
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SashulF [63]

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3972.72 specimens

Step-by-step explanation:

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z = (x-μ)/σ where

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5 0
3 years ago
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