A salesman sells cars with prices ranging from $5,000 to $45,000. the histogram shows the distribution of the numbers of cars he expects to sell over the next 10 years. how would the shape of the distribution change if the salesman decides to also deal in cars priced under $5,000 and in cars $45,000 to $50,000 and projects sales of 200 cars in each category?

a. the distribution will exhibit symmetry.

b. the distribution will exhibit a positive skew.

c. the distribution will exhibit a negative skew.

d. the distribution will uniform throughout.

Answers

Answer 1

Answer: In the given histogram, the shape of the histogram shows that the shape of the distribution exhibits symmetry (i.e. the shorter bars are to the left and to the right while the longer bars are in the middle). Adding the sales of cars priced under $5,000 and cars priced $45,000 to $50,000 with projected sales of 200 cars for each category will result in adding bars of the same size as the shortest bar to both ends of the histogram. This will not affect the initial shape of the distribution in the histogram as the distribution will still exhibit symmetry. Therefore, the correct answer to the question is "the distribution will exhibit symmetry" (option a).

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see the attachments for detailed solution

What is the value of n in the equation below?StartFraction a Superscript n Over a cubed EndFraction = a Superscript 9
3
6
12
27

Answers

Answer

Step-by-step explanation:

in this equation , since its a fraction you would divide. With the exponents it would be subtraction. therefore, making it 12 I hope this helps :)

Answer:

Step-by-step explanation:

got 100 on the test.

The students in Sam’s school voted for their favorite subject. Sam displayed the results in the cirlce graph shown.Which statements are true about the data in the graph? Check all that apply.

A circle graph titled Favorite Subject. Math is 24 percent, language arts is 20 percent, science is 18 percent, social studies is 16 percent, art is 14 percent, and other is 8 percent.

If 100 students were surveyed, 34 would choose math as their favorite subject.
If 200 students were surveyed, 28 would choose art as their favorite subject.
If 400 students were surveyed, 64 would chose social studies as their favorite subject.
If 100 students were surveyed, 38 would choose science as their favorite subject.
If 200 students were surveyed, more than half would choose science or social studies as their favorite subject.

Answers

Answer:

Step-by-step explanation:

A grocer stacks oranges in a four-sided pyramid that is 7 layers high. How many oranges are in the pile? A.504 B.840 C.140 D.120

Answers

Answer:

Option C. 140

Step-by-step explanation:

Base of a pyramid which has four triangular sides is four sided.

If pyramid contains seven layers of oranges then the layer at the bottom will have 7 oranges.

Since base is a square then other side of the square base will have the same number of oranges = 7.

Therefore number of oranges at the first layer will be = 7×7

Similarly other layers above this layer will have the same sequence

6×6, 5×5, 4×4, 3×3, 2×2, 1×1

Therefore total number of oranges = 7×7 + 6×6 + 5×5 + 4×4 + 3×3 + 2×2 + 1×1 = 49 + 36 + 25 + 16 + 9 + 4 + 1 = 140

Option C. 140 is the answer.

A grocer stacks oranges in a four-sided pyramid that is 7 layers high. Many oranges are in the pile are C.140

Further explanation

The orange is the fruit of the citrus species Citrus and sinensis in the family Rutaceae, native to China. Orange is also called sweet orange, to distinguish it from the related Citrus and aurantium, referred to as bitter orange.

The proper name of four-sided pyramid is a "tetrahedron". The tetrahedron has the extra interesting property of having all four triangular sides congruent

1st Layer: The 1st layer contains only 1 orange so it has only 1 orange

2nd layer: The 2nd layer has total 4 oranges. Calculation: $2*2=4$

3rd layer: The 3rd layer has total 9 oranges. Calculation: $3 * 3 = 9$

4th Layer: The 4th layer has total 16 oranges. Calculation: $4 * 4 = 16$ .

5th layer: The 5th layer has total 25 oranges. Calculation: $5 * 5 = 25$

6th layer: The 6th layer has total 36 oranges. Calculation: $6 * 6 = 36$

7th layer: The 7th layer has total 49 oranges. Calculation: $7 * 7 = 49$ .

Sum of all layers:

$1+4+9+16+25+36+49 = 140$

Learn more

Learn more about oranges brainly.com/question/10744522
Learn more about pyramid brainly.com/question/10262815
Learn more about pile brainly.com/question/9094265

Answer details

Grade: 9

Subject: mathematics

Chapter: pyramid

Keywords: oranges, pyramid, four-sided, layers, pile

1. Round to the nearest hundredth. 1.824
A. 1.82
B. 1.83
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D. 1.8

Answers

Considering 1.824 (2 being hundredth) it would mean that this is 1.82

A because 1.824 is rounded to 1.82 when rounding to the nearest hundredth.

Can someone help me? Plzzzzz :c I need it for tmw I'll be soo happy if someone help me

Mike purchased 3 DVD's and 14 video games for $203. Nick went to the same store and brought 11 DVD's and 11 video games for $220. How much is each video game and each DVD?

Answers

$x-cost\ of\ DVD\ny-cost\ of\ video\ game\n\n \left \{ {{3x+14y=203\ \ \ } \atop {11x+11y=220\ \ } \right. \n\n From\ first\ second:\n11x=220-11y\ \ \ \ |:11\nx=20-y\n\nSubstitute\ to\ first:\n3(20-y)+14y=203\n60-3y+14y=203\n-3y+14y=203-60\n11y=143\ \ \ \ |:11\ny=13\n\nx=20-13=7\n\n \left \{ {{y=13} \atop {x=7}} \right.$

3D+14G=203(11) use elimination 33D+154G=2233
11D+11G=220(-14) to cancel G -154D-154G=-3080

-121D=-847 divide by -121 on both sides
D=7 plug back into equation
11(7)+11G=220
77+11G=220 subtract 77 from both sides
11G=143 divide by 11 on both sides
G=13

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