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Masteriza [31]
3 years ago
11

422 3/7- 367 5/9=?I NEED HELP!

Mathematics
1 answer:
Aleksandr [31]3 years ago
8 0

\frac{3457}{63}
or
54 \frac{55}{63}
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The question is to find to rule
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On a particular day, the wind added 4 miles per hour to Alfonso's rate when he was cycling with the wind and subtracted 4 miles
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On a particular day, the wind added 4 miles per hour to Alfonso's rate when he was cycling with the wind and subtracted 4 miles per hour from his rate on his return trip. Alfonso found that in the same amount of time he could cycle 57 miles with the wind, he could go only 33 miles against the wind.What is his normal bicycling speed with no wind?
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3 years ago
For a sample size of 115 and a population parameter of 0.1,what is the standard deviation of the normal curve that can be used t
Helga [31]

Answer:

A) 0.028

Step-by-step explanation:

Given:

Sample size, n = 115

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The X-Bin(n=155, p=0.1)

Required:

Find the standard deviation of the normal curve that can be used to approximate the binomial probability histogram.

To find the standard deviation, use the formula below:

\sigma = \sqrt{\frac{p(1-p)}{n}}

Substitute figures in the equation:

\sigma = \sqrt{\frac{0.1(1 - 0.1)}{115}}

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\sigma = \sqrt{7.826*10^-^4}

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The Standard deviation of the normal curve that can be used to approximate the binomial probability histogram is 0.028

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Answer:

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Step-by-step explanation:

24÷12=2

6 0
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Read 2 more answers
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