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saul85 [17]
3 years ago
13

A research group is interested in gauging perceptions about costs of textbooks among college students. They use an alphabetized

list of students in state universities and use technology to generate a randomly shuffled list of students. They then select students to contact from this list until they have succeeded in contacting 175 students. What is the population parameter of interest
Mathematics
1 answer:
Marina CMI [18]3 years ago
7 0

Answer:

Cost of textbooks

Step-by-step explanation:

The population parameter refers to any numerical messure derived from using the entire population data. Since the study above looks to evaluate how college students view the cost of books. Since the population of interest is all students, the reason for which the entire population of students are employed and the variable that is to be measured using these population of student is called the population parameter. In the other hand, numeric estimates or observations derived from a portion of the population called the sample is refereed statistic.

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20/21

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3 0
3 years ago
A dietitian at a hospital wants a patient to have a meal that has 109 grams of protein, 76
Alex787 [66]

The number of variables and the number of unknowns are equal, therefore, the system can be solved by simultaneous equation

The required number of servings are;

  • Number of servings of salmon steak is <u>1.5 servings</u>
  • Number of servings of baked eggs is <u>3 servings</u>
  • Number of servings of acorn squash is <u>1 serving</u>

Reason:

Given parameter;

Required mass of protein = 109 gram

Required mass of carbohydrate = 76 grams

Required mass of vitamins = 93.5 mg

The dinner = Salmon steak, baked eggs, and acorn squash

Mass of protein in a salmon steak serving = 40 grams

Nutrition value of salmon steak;

Protein = 40 grams

Carbohydrate = 30 grams

Vitamin A. = 1 milligram

Nutrition value of baked eggs;

Protein = 15 grams

Carbohydrate = 2 grams

Vitamin A. = 20 milligrams

Nutrition value of acorn squash;

Protein = 4 grams

Carbohydrate = 25 grams

Vitamin A. = 32 milligrams

Let <em>A</em> represent the amount of serving of salmon steak, let <em>B</em> represent the

number of serving of baked eggs, and let <em>C</em> represent the number of

servings of acorn squash, we have;

40·A + 15·B + 4·C = 109

30·A + 2·B + 25·C = 76

A + 20·B + 32·C = 93.5

Solving the above simultaneous equation with a graphing calculator gives;

A = 1.5, B = 3, C = 1

Therefore, the dietician should provide <u>1.5</u> serving of salmon stake, <u>3</u>

servings of baked eggs, and <u>1</u> serving of acorn squash

Learn more here:

brainly.com/question/19710777

4 0
3 years ago
A. If a polygon is a square, then it is a rectangle.
Serggg [28]

Answer:

a. If a polygon is a rectangle, then it is a square

False

b. If a polygon has four 90 degree angles, then it is a rectangle

True

c. If the formula for a shape's area is base time height, it is a rectangle

False

7 0
3 years ago
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