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ValentinkaMS [17]
3 years ago
8

A customer is making a deposit and would like to receive $25.00 in cash back

Mathematics
1 answer:
Ghella [55]3 years ago
3 0
I'm not following. What's the question?
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Consider two x distributions corresponding to the same x distribution. The first x distribution is based on samples of size n =
Tanya [424]

Answer:

The distribution with n = 225 will give a smaller standard error.

Since sigma x = sigma/√n, dividing by the square root of 225 will result in a small standard error regardless of the value of sigma.

Step-by-step explanation:

Standard error is given by standard deviation (sigma) divided by square root of sample size (√n).

The distribution with n = 225 would give a smaller standard error because the square root of 225 is 15. The inverse of 15 multiplied by sigma is approximately 0.07sigma which is smaller compared to the distribution n = 100. Square of 100 is 10, inverse of 10 multiplied by sigma is 0.1sigma.

0.07sigma is smaller than 0.1sigma

8 0
3 years ago
Part A
svlad2 [7]

Answer:

Step-by-step explanation:

e i hope i gave you encouragement

3 0
2 years ago
A mechanic estimates that a tire still has
kati45 [8]

Answer:

B

Step-by-step explanation:

100% is unknown 100:20 is 5

8,000*5=40,00

6 0
2 years ago
Will give BRAINLIEST if right!
sattari [20]

Answer:

Vertex is (-1, -9)

Step-by-step explanation:

To find the x-value of the vertex, we use the formula

x

=

−

b

2

a

(This is considered the axis of symmetry).

a

=

1

and

b

=

2

with

c

=

−

8

(These are the numbers in order)

By substituting we get

x

=

−

(

2

)

2

⋅

1

, which simplifies to

x

=

−

1

.

Once you find x, substitute back into the equation to find y.

y

=

(

−

1

)

2

+

2

(

−

1

)

−

8

y

=

1

−

2

−

8

y

=

−

9

Putting the two numbers together you get the coordinates

(

−

1

,

−

9

)

.

8 0
3 years ago
Rex is 4 times as old as Ted. If the sum of their ages is 30, how old is Ted?
Leya [2.2K]
Ted is 6 years old.

4x6=24+6=30
5 0
3 years ago
Read 2 more answers
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