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il63 [147K]
2 years ago
13

Suppose that the mean retail price per gallon of regular grade gasoline in the United States is $3.47 with a standard deviation

of $0.20 and that the retail price per gallon has a bell-shaped distribution. (a) What percentage of regular grade gasoline sold between $3.27 and $3.67 per gallon
Mathematics
1 answer:
Dimas [21]2 years ago
8 0

Answer:

Step-by-step explanation:

Your answer

94.5 % - 106.5 %

Mark it as Brainlist answer. Follow me.

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3 years ago
Hello can anyone help me ? here the question
lesantik [10]

Answer:

A. 1/5k - 2/3j and -2/3j +1/5k

Step-by-step explanation:

A. 1/5k - 2/3j and -2/3j +1/5k

B. 1/5k - 2/3j and -1/5k +2/3j

There is a change in the signs of each term

1/5k changed to -1/5k

-2/3j changed to +2/3j

Not equivalent

C. 1/5k - 2/3j and 1/5j - 2/3k

There is a change in the variables

1/5k changed to 1/5j

-2/3j changed to -2/3k

D. 1/5k - 2/3j and 2/3j - 1/5k

The is a change in the signs of each term

1/5k changed to -1/5k

-2/3j changed to +2/3j

The only equivalent expression is

A. 1/5k - 2/3j and -2/3j +1/5k

3 0
3 years ago
The system of equations graphed below has how many solutions? y= 2x+2, y=2x
Art [367]
Y = 2x + 2
Y = 2x -
Subtract

0 = 2

This makes no sense meaning the lines are parallel. Therefore there are 0 solutions.
8 0
3 years ago
Read 2 more answers
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