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Sedbober [7]
3 years ago
12

What is 8 and 2/7 + 3 and 1/3

Mathematics
1 answer:
kifflom [539]3 years ago
5 0
8and2/7+3and 1/3=>(8*7+5)/7+(3*3+1)/3=>61/7+4/3=>183/21+28/21=>211/21.
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avanturin [10]

Answer:

We are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%

Step-by-step explanation:

-From the given information, \hat p=0.65.

-We calculate the confidence interval using this value at 95% confidence level:

CI=\hat p\pm z \sqrt{\frac{\hat p(1-\hat p)}{n}}\\\\\\=0.65\pm 1.96\times \sqrt{\frac{0.65\times 0.35}{12000}}\\\\\\=0.65\pm 0.0085\\\\\\=[0.6415,0.6585]

So, the 95% confidence interval is (0.6515,0.6585).

Hence, we are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%.

6 0
3 years ago
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vaieri [72.5K]

Answer:

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Step-by-step explanation:

8 0
3 years ago
I need help doing this.
melisa1 [442]

Answer:

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Step-by-step explanation:

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the hundredth spot is the first 3, so you go to the second 3, because its under 5, the second 3 stays the same and doesn't round up to 4.

3 0
3 years ago
Please answer A and B and give an explanation and show work. thank you!
NNADVOKAT [17]
Dont know a but b is 
75=100-2p
75 minus 100 = -25=-2p
-25/-2= p 
p=$12.50
4 0
3 years ago
Melissa has ridden 51 miles of a bike course they course is 60 miles long what percentage of the course has Melissa ridden so fa
evablogger [386]

Answer:

299999929132

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7 0
3 years ago
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