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Dovator [93]
3 years ago
15

Help me with tis plz right answers to plz and thank you numbers 6,2,5,8

Mathematics
1 answer:
pshichka [43]3 years ago
5 0
6.) 7,718

2.) 5,537

5.) 3,215

8.) 9,078
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12.5% of $100 is what number? percent proption
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Step-by-step explanation:

The $100 Is 100 percent meaning that one percent is $1. Take that and multiply it by 12.5 and get $12.5

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(Small sample confidence intervals for a population mean) suppose you are taking a sampling of 15 measurements. you find that x=
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Answer:

The 99% confidence interval is  71.67 < \mu < 78.33

Step-by-step explanation:

From the question we are told that

     The sample  size  is  n  =  15

      The  sample  mean is  \= x  =  75

        The  standard deviation is  s =  5

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              \alpha  =  100 -  99

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Generally the margin for error is mathematically represented as

            E =  Z_{\frac{ \alpha }{2} } *  \frac{ s}{ \sqrt{n} }

=>         E =  2.58  *  \frac{ 5}{ \sqrt{15} }

=>         E =  3.3307

   The  99% confidence interval is mathematically represented as

             \= x  -E  <  \mu  <  \= x  +E

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