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bulgar [2K]
3 years ago
10

In a survey of 800 students,

Mathematics
1 answer:
Lunna [17]3 years ago
8 0

The bar graph shows in the attachment bases on frequency distribution equation for Lunch is 68:22:10 which mean the equation is 68x+22y+10 is the combined information.

Step-by-step explanation:

  • Column lunch and row had Pizza,Hamburger and Sloppy joe.
  • The total 548,173 and 79 total to 800 students.
  • Creating a bar graph series name is lunch and series value is pizza....
  • hamburgers and sloppy joes.
  • Frequency distribution basis on percentage involves...
  • Number of categories/ Total number of students.
  • 68:22:10 so the distribution has about 68 percent of people....
  • Eat pizza more than hamburger and sloppy joes.
  • Horizontal axis has about Pizza,Hamburger and Sloppy joes.

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Find the z score that has 70.54% of the distribution area to its right
Alik [6]

The z score that has 70.54% of the distribution area is 9.92

<h3>What is a z-score?</h3>

The z-score is a numerical measurement used in statistics to refer to how much a given value differs from the standard deviation.

For the random variable x, the z-score is;

z = (x - 11)/2

therefore, 70.54% of the area under the curve lies to the right of x,

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Learn more about z score here;

brainly.com/question/4167122

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