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scoundrel [369]
3 years ago
15

In one west coast city 34% of the restaurants are on the river the city has 178 restaurants estimate the number of restaurants t

hat are on the river
Mathematics
1 answer:
sdas [7]3 years ago
7 0

178 \times 34\% \\  = 178 \times  \frac{34}{100}  \\  = 60.52

The number of restaurants on the river is estimated to be 61.

Hope this helps. - M
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g A fair coin is tossed 20 times. The number of heads observed is the count X of successes. Give the distribution of X . Choose
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Answer:

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Step-by-step explanation:

Previous concepts

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The probability mass function for the Binomial distribution is given as:  

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Where (nCx) means combinatory and it's given by this formula:  

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Solution to the problem

We assume that we have a fair coin that is p(Head)=p(Tails)=0.5

For this case we define the random variable X as "number of heads observed in 20 times". The distribution for X is given by:

X \sim Binom(n=20, p=0.5)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

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Step-by-step explanation:

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cupoosta [38]

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Step-by-step explanation:

Ur answer should be C

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Read 2 more answers
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Greeley [361]

Answer:

Step-by-step explanation:

it is hard to know exactly by eye balling the graph  I can't dissern the y intercept it might be 4.5 but it could be 4.33, but it looks for sure like the x intercept equals 6 but does it

the dots on the line are at (-2, -6) and (2, 3)  so we can find the slope m

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m = Δy/Δx     =  (y1 - y2) / (x1 - x2)

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       0 = 3(6)/4  + y intercept

       

       -18/4 = 18/4 -18/4  + y intercept

        -9/2 = y intercept

        -4.5 = y intercept

   y = 3x/4 - 9/2          i think exact number means NO FRACTIONS but that is whole number so let me gaggle it  What are exact numbers?  Gaggle indicates exact numbers are integers   example  3 ft in a yard 12 eggs in a dozen

    y = 3x/4 - 9/2               multiple both sides by 4

   4y = 3x  - 36/2

   4y = 3x - 18    <------------------  FINAL ANSWER

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