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ddd [48]
3 years ago
10

Linda has a bag of marbles. She chooses a marble from the bag, writes down the color, and places the marble back in the bag. She

repeats this process 130 times. Linda calculates the relative frequency of each color marble. Outcome Orange Green Black Yellow Blue Relative frequency 0.18 0.20 0.19 0.22 0.21 Which statement about Linda's experiment is true? The outcomes do not appear to be equally likely, so a uniform probability model is not a good model to represent probabilities in Linda's experiment. The outcomes appear to be equally likely, so a uniform probability model is a good model to represent probabilities in Linda's experiment. The outcomes do not appear to be equally likely, so a uniform probability model is a good model to represent probabilities in Linda’s experiment. The outcomes appear to be equally likely, so a uniform probability model is not a good model to represent probabilities in Linda's experiment.
Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0
Just took the quiz the answer is b. The outcome appears to be equally likely so a uniform probability model is a good to represent probabilities in Lindas experiment.

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The equation of the trend line is ŷ = 0.15x - 23.21

<h3>How to determine the average rate of change of the trend line?</h3>

The points are given as:

hr =>808, 768, 655, 684, 637, 619, 613, 609, 563

w =>  93, 94, 66, 81, 86, 75, 61, 69, 55.

Using a graphing calculator, we have the following calculation summary:

  • Sum of X = 5956
  • Sum of Y = 680
  • Mean X = 661.7778
  • Mean Y = 75.5556
  • Sum of squares (SSX) = 50569.5556
  • Sum of products (SP) = 7547.1111

The regression equation is represented as:

ŷ = bX + a

Where:

b = SP/SSX

b = 7547.11/50569.56

b = 0.14924

a = MY - bMX

a = 75.56 - (0.15*661.78)

a  = -23.20961

This gives

ŷ = 0.14924X - 23.20961

Approximate

ŷ = 0.15x - 23.21

Hence, the equation of the trend line is ŷ = 0.15x - 23.21

Read more about trend lines at:

brainly.com/question/2589459

4 0
2 years ago
Am i right on this math problem?
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Answer:

Step-by-step explanation:

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3 years ago
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