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Kisachek [45]
3 years ago
6

A car salesman sells cars with prices ranging from $5,000 to $45,000. The histogram shows the distribution of the numbers of car

s 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 priced from $45,000 to $50,000 and projects sales of 200 cars in each category?


The distribution will exhibit symmetry.



The distribution will exhibit a positive skew.



The distribution will exhibit a negative skew.



The distribution will be uniform throughout.

Mathematics
2 answers:
MatroZZZ [7]3 years ago
6 0
The distribution will exhibit symmetry. 
konstantin123 [22]3 years ago
3 0

Answer: The distribution will exhibit symmetry.


Step-by-step explanation:

If a data is symmetric, it has about the same shape on either side of the middle, such that if you fold the histogram in half, it looks about the same on both sides.

The median and the mean of a symmetric distribution both occur at the point about which the symmetry occurs.

From the graph is clear that line x=$25000 can be placed in the middle of the histogram such that it divides histogram in two equal parts.

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Which equation represents a line that is perpendicular to line PQ?
valentinak56 [21]

Answer:

B. y=1/3x+4

Step-by-step explanation:

Hi there!

We are given the line PQ and we want to find the line that is perpendicular to it

Perpendicular lines have slopes that are negative and reciprocal. When they are multiplied together, the result is -1

So first, let's find the slope of the line PQ

The point P is given as (-8, 7) and the point Q is given as (-4, -5)

The formula for the slope calculated from two points is \frac{y_2-y_1}{x_2-x_1} where (x_{1} y_1) and (x_2, y_2) are points

We have the needed information for the slope, but let's label the values of the points to avoid any confusion

x1=-8

y1=7

x2=-4

y2=-5

Now substitute into the formula (m is the slope, and remember: the formula contains SUBTRACTION):

m=\frac{(-5-7)}{(-4--8)}

simplify

m=\frac{-5-7}{-4+8}

add

m=-12/4

divide

m=-3

So the slope of the line PQ is -3

As said above, perpendicular lines have slopes that have a product of -1

So to find the slope of the line perpendicular to PQ, use this formula:

-3m=-1

divide both sides by -3

m=1/3

The only line that has a slope of 1/3 is B (y=1/3x+4), so B is the answer.

Hope this helps!

3 0
3 years ago
What is the fifth square root of x^16
melamori03 [73]
The fifth square root as in a^(1/2)^(1/2)^(1/2)^(1/2)^(1/2)

Well that is equal to a^((1/2)^5) or a^(1/32)

Since a=x^16 in this case and the rule (b^a)^c=b^(a*c) we have:

(x^16)^(1/32)

x^(16/32)

x^(1/2) or if you prefer

√x


8 0
3 years ago
0.3 ÷ 42 Will someone please help me with the method on how to do this it is very hard.
slamgirl [31]

The answer is 1/140

Work Shown

0.3 / 42

Convert and Rewrite

3/10 x 1/42

Reduce The Numbers With the greatest Common divisor 3

1/10 x 1/14

Multiply the fractions

1/140 or

AlTernative Form  0.007114285 , -1 over 140


I Hope This Help

-Dante

3 0
3 years ago
Complete each blank to find an expression that is equal to 16%
ratelena [41]
Where’s the questions for us to complete each blank ?
7 0
2 years ago
Read 2 more answers
The French mathematician Pierre de Fermat (1601-1665) considered the sequence 5, 17, 257, 65537,
Semenov [28]
These are prime numbers.

3 0
3 years ago
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