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mel-nik [20]
2 years ago
9

If a someones average free throw for basketball is 60 percent and they want to predict how many times in the next 50 tries she w

ill make a free throw, how can she use 10 index cards to predict the answer?
Mathematics
1 answer:
Lesechka [4]2 years ago
4 0
You want to find out what 60% of 50 will be.  

50 x 60% = y

30 = y
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Which of the following variables are qualitative and which are quantitative? If the variable is quantitative, then specify wheth
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Answer:

a) Quantitative; discrete  

b) Qualitative

c)  Quantitative; continuous                        

Step-by-step explanation:

Quantitative and Qualitative:

  • Qualitative variables are the non-parametric variables.
  • Quantitative variables are the variables whose values are expressed in the form of number.
  • Qualitative is information about a variable where as quantitative describes the variable with the help of values.

Discrete and Continuous:

  • Quantitative variables whose values are expressed in the form of whole numbers are discrete variable.
  • Discrete variable cannot take all the values of an interval. They are counted not measured.
  • Quantitative variable whose values can be expressed in the form of decimals are continuous variable.
  • Continuous variable take all the values within interval. They are measured not counted.

a. Points scored in a football game.

Since the points are expressed in numerical. Thus, they are quantitative variable. Since points are always expressed in whole numbers and are always counted it is a discrete variable.

b. Racial composition of a high school classroom

This will include the categorical values and not expressed as numerical. Thus, it is qualitative variable.

c. Heights of 15-year-olds.

These values will be expressed with the help of numerical and can take any value within an interval. Also, height is always measured and not counted. Thus it is a continuous variable.

3 0
2 years ago
What is the slope of the line
serious [3.7K]

<em>he slope or gradient of a line is a number that describes both the direction and the steepness of the line. ... Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line.</em>

<em />

6 0
2 years ago
-3 1/3-5 2/3 - (-2 1/3)
Leni [432]

Answer:

-20/3

The exact form is -20/3

The decimal form is -6.6 repeating

The mixed number form is -6 2/3

Hope this helps!

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8 0
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Coach Matta ran 3 laps in 180 seconds. Which of the following is an equivalent rate of running?HELPPP
kobusy [5.1K]

Answer:

180 divided by 3 equals 60

Step-by-step explanation:

so ur answer would be the third option or C

4 0
1 year ago
Read 2 more answers
6. What is the slope of a line perpendicular to the line whose equation is y = 2x -5?*
bonufazy [111]

Answer: -1/2

You get y = 2x - 5, so the slope is 2. Perpendicular lines have opposite-reciprocal slopes, so the slope of the line we want to find is -1/2.

6 0
2 years ago
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