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Zarrin [17]
3 years ago
8

The average life expectancy in a certain country is 70.2 years. Estimate the country’s life expectancy in hours. Then use a calc

ulator to find the exact answer.
The average life expectancy for the country is approximately ____ hours
Mathematics
1 answer:
Debora [2.8K]3 years ago
8 0
I believe it is 614,952 hours
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4 0
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a random sample size of 175 is drawn from a large population. The population standard deviation is 13.6. The sample mean is 87.3
navik [9.2K]

Answer:

The size of the population mean would be provided as:

mean +/- std/sqrt(sample size)

<=>

87.3 +/- 13.6/sqrt(175)

<=>

87.3 +/- 1.03

=> Option B is correct.

Hope this helps!

:)

6 0
3 years ago
Use the info given to find the new price: original price: $24 and discount rate: 11%. What is the new price????
ELEN [110]
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Assoli18 [71]

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Step-by-step explanation:

7 0
3 years ago
16^3x+8^x+6<br><br>Could you please give me the steps as well for this problem? ​
BARSIC [14]

Answer:

x = 2

Step-by-step explanation:

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Since the base number is 2, the exponents must equal each other.

So:

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8 0
3 years ago
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