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Zielflug [23.3K]
3 years ago
8

In a random sample of 28 sports cars, the average annual fuel cost was $2929 and a sample standard division $786. Construct a 90

% confidence interval for the population mean. Assume the annual fuel cost are normally distributed

Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:

The answer is provided at the attachment

Step-by-step explanation:

The answer is provided at the attachment

Hope this helps

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Question in the image below:
horrorfan [7]

Answer:

x = 5/33 or 0.151515151

Step-by-step explanation:

7(-6x-2) = 8(3x-4)

step 1: simplify the equation.

-42x - 14 = 24x - 4

step 2: isolate the variable (using the balance method).

-42x - 14 + 14 = 24x - 4 + 14

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-42x - 24x = 24x - 24x + 10

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step 3: solve for x.

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4 0
2 years ago
What is 2.346 as a percent
34kurt

Answer:

Step-by-step explanation:

to turn a decimal to a percent, multiply by 100.....or if there is a decimal in there, start from the decimal and just move 2 spaces to the right.

2.346 = 234.6%

and just so you know, to turn a percent to a decimal, divide by 100...or move the decimal point 2 spaces to the left

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