Refer to the accompanying table, which describes results from groups of 8 births from 8 different...

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Refer to the accompanying table, which describes results from groups of 8 births from 8 different...

Refer to the accompanying table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Find the mean and standard deviation for the number of girls in 8 births.

The mean is mu μ= _____ girl(s).

(Round to one decimal place as needed.)

The standard deviation is sigma σ =______ girl(s).

(Round to one decimal place as needed.)

Number of Girls x P(x)

0 0.004

1 0.027

2 0.104

3 0.224

4 0.271

5 0.226

6 0.107

7 0.032

8 0.005

math Statistics-And-Probability

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Answer 1

Answer #1

Page Date Solubon- Numbexor girls. 6. 2 3 0 004 0 027 0-104 0.22 4- 0. 226 0-l07 0.032 7 8 15 2 4.0 23 Camlin Page Date に。 0102 041 2016+4 33656s+ 18.185 2 standard deaahon= 6- v/var(x) 1818S 63 4 2643 The mean is md 시:4 gris) The stundend deviation is siyma

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Answer 2

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