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Alex73 [517]
4 years ago
6

After you complete your survey of students reported heights at your school, you discover that your sample is biased. Exactly 10%

of the students in your sample tended to over report their height more than the average student in the general population at the school. What conclusion can you reach about the mean of the average difference in your sample?
Mathematics
2 answers:
RSB [31]4 years ago
5 0

Answer:

The mean of the reported heights at the school is 0.75 greater than the the mean of the actual measured heights at the school.

Readme [11.4K]4 years ago
3 0
What we can say with a good deal of certainty is that our sample is biased towards the higher spectrum and that the real value of the mean for our population is lower than the obtained value of our sample. If this is true, we should expect for the standard deviation to be higher than in the population. 
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Matt is standing on top of a cliff 305 feet above a lake. The measurement of the angle of depression to a boat on the lake is 42
Fudgin [204]

Answer:

the measurement between matt and the boat would be 263

Step-by-step explanation:

8 0
4 years ago
6) Alex and Kendra arrive at the Texas State Fair with
kherson [118]

Answer:

Step-by-step explanation:

so first you need to make a equation

since we are trying to find out the amount of rides we can make that stand for x so..

we can first write it as 2.50x

(x = the numbers of rides)

since the entree fee is 17 dollars but they are two kids we have to times 17 by 2 giving us 34 we can add 34 dollars to the equation

34 + 2.50x

alex and kendra have only $51.50 dollars and they cant spend more then that so that means the whole equation has to equal $51.50

34 + 2.50x = 51.50

since we are trying to find the number of rides we can subtract 34 on both sides giving us

2.50x = 51.50 - 34

2.50x = 17.50

then we solve for x which you can divde 2.50 on both sides

x = 17.50 /2.50

x = 7

7 0
3 years ago
Shelia is making a cake. She
vesna_86 [32]

She need 1/12 cup of oil. A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters.

<h3>What is meant by fraction?</h3>
  • A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters.
  • fraction, A number expressed as a quotient in arithmetic, in which a numerator is divided by a denominator. Both are integers in a simple fraction.
  • A complex fraction contains a fraction in either the numerator or the denominator. A proper fraction has a numerator that is less than the denominator. A fraction is a portion of a whole number and a method of dividing a number into equal parts.

<h3>How to find how much cup she want?</h3>

  • She needs 1/3 cup of oil
  • She have 1/4 cup of oil

To find how much need to obtain 1/3 of cup

we need to subtract what we have from what we need.

so , we have 1/4 and need 1/3

 = 1/3 - 1/4

 = \frac{1 * 4}{3 * 4} - \frac{1 * 3}{4 * 3}

 = 1/12

she need 1/12 cup of oil more to make cake.

To Learn more about fraction refer :

brainly.com/question/1622425

#SPJ9

6 0
1 year ago
Help me fill this out thanks
irga5000 [103]

Answer:

y = 2 \sqrt{6}

Step-by-step explanation:

\frac{y}{ \sin(60) }  =  \frac{4 \sqrt{2} }{ \sin(90) }  \\  \frac{y}{ \frac{1}{2} \sqrt{3}  }  =  \frac{4 \sqrt{2} }{1}  \\ y = 4 \sqrt{2} \times  \frac{1}{2}   \sqrt{3}  \\ y = 2 \sqrt{6}

6 0
3 years ago
A sculpture is created with colored blocks each with a volume of 1 cubic foot. What is its volume if the sculpture is 12 feet lo
padilas [110]

Answer:

480 ft^3

Step-by-step explanation:

We can calculate the volume of the sculpture with the data they give us in the statement.

The volume would be the multiplication between the length, width and height, that is:

v = l * w * h

we know that l = 12 ft; w = 5 ft; h = 8 f, replacing:

v = 12 * 5 * 8

v = 480

in other words, the volume of the sculpture is 480 cubic feet, therefore 480 color blocks are needed because its volume is 1 cubic foot.

7 0
3 years ago
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