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PtichkaEL [24]
3 years ago
11

43​% of men consider themselves professional baseball fans. you randomly select 10 men and ask each if he considers himself a pr

ofessional baseball fan. find the probability that the number who consider themselves baseball fans is​ (a) exactly​ five, (b) at least​ six, and​ (c) less than four.
Mathematics
1 answer:
KonstantinChe [14]3 years ago
8 0

a)0.43^5*0.57^5

b)0.43^6*0.57^4

c)0.43^3*0.57^7+0.43^2*0.57^8+0.43^1*0.57^9+0.57^10

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Answer:

The sample size is 183.

Step-by-step explanation:

Given:

σ = $1050, ppulatin standard deviation

99% confidence interval

Accuracy = +/- $200

The accuracy is given by

z*(σ/√n)

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z* = 2.576 for 99% confidence level (from tables)

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Therefore

2.576(1050/√n) = 200

√n = (2.576*1050)/200 = 13.524

n = 182.9

<em>The sample size is 183</em>

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Ivenika [448]

Answer:

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Figure ABCD has verticies A(-4, 1) B(2, 1) C(2, -5) D(-4-3). What was the area of Figure ABCD.
JulijaS [17]

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yanalaym [24]

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Step-by-step explanation:

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butalik [34]

Answer:

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7 0
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