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sweet [91]
3 years ago
8

The average age for licensed drivers in a certain county is 42.6 years with a standard deviation of 12.2 years. A researcher obt

ained a sample of 25 drivers who received parking tickets and computed the average age of these drivers. Which test should he use to determine if the average age of the drivers who received parking tickets is different than the average age of the entire county?
Mathematics
1 answer:
Tpy6a [65]3 years ago
4 0
NNNNUUUUUUUTTTTTTTTTTTTTT
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The sum of two consecutive odd integers is 28. What are the integers?
Fantom [35]
The correct option is B): "<span>Let x = 1st integer. Let x + 2 = 2nd integer.</span><span>"
Given that "The sum of two consecutive odd integers is 28."
 
Now the difference between two odd numbers is 2. So this means that one odd number has to be greater than the other by 2.

Let the smaller number be 'X' therefore the bigger number will be 'x+2' thus x + (x+2) = 28
 
therefore, x + x + 2 = 28 now we subtract "2" from both the sides
therefore, 2x = 26 now dividing throughout by 2 we get:

x = 13 therefore, x + 2 = 13+2
                                    = 15
 
therefore, the numbers are 13 AND 15</span>
4 0
4 years ago
Describe the transformation done to y = 1/x to get y = 1/4x -12?
BabaBlast [244]
The transformation is done to y=1/x to get y=1/4x-12. We defined a turning point in the equation which will indicate the point in the graph.

We changed the form from y=x to y=x+c. In this case, we use 1/2 for the and constant C value which is -12.

3 0
3 years ago
If f(x) = x3, which of the following describes the graph of f(x − 3)?
ikadub [295]
You need a graph to go with it
6 0
3 years ago
A school will have a fall festival if at least 40% of the 500 students plan to attend. How many students must agree to attend in
artcher [175]

Answer:

200 students must agree to attend in order for the school to have the festival.

Step-by-step explanation:

200 is 40% of 500. We can also use fractions to figure this out.

\frac{40}{100} =\frac{x}{500}

For 100 to become 500 it must be multiplied by 5. And whatever we do to the denominator we have to do to the numerator. So we multiply 40 × 5 = <em>x</em>

<em>x</em> = 200

\frac{40*5}{100*5} = \frac{x}{500}      

\frac{40}{100} =\frac{200}{500}

7 0
3 years ago
Carpeting costs $9.95 per yard. If Jamie buys 8 yards, how much will it cost him?
Hatshy [7]

Answer:

$79.6

Step-by-step explanation:

9.95 x 8 = 79.6

8 0
3 years ago
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