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marishachu [46]
3 years ago
14

How do i do this HELPP

Mathematics
1 answer:
atroni [7]3 years ago
4 0

Answer:

(f+g)(x)=5x-11

(f-g)(x)=x-3

Step-by-step explanation:

Just add or subtract the functions.

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Suppose that we wish to assess whether more than 60 percent of all U.S. households in a particular income class bought life insu
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Answer:

A. 0.0049

B. Yes

Step-by-step explanation:

Sample proportion = 0.64

N = 1000

Population proportion = 0.60

We solve for standard deviation

= √p(1-p)/n

= √0.60(1-0.60)/1000

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= √0.00024

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A.

The probability of sample >=0.64

Z>=0.64-0.60/0.0155

Z >= 0.04/0.0155

So z >= 2.5806

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B.

This answer in a shows that than 60% of households in the united states income class purchased life insurance last year.

3 0
3 years ago
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