4 years ago

Please some1 help!! I need the answer

Mathematics

1 answer:

BaLLatris [955]4 years ago

5 0

C is the only answer

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An automobile manufacturer claims that its jeep has a 53.9 miles/gallon (MPG) rating. An independent testing firm has been contr

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Answer:

Value of the test statistic, $z_{test} = - 1.17$

Step-by-step explanation:

Null hypothesis, $H_{0}: \mu = 53.9$

Alternative hypothesis, $H_{a} : \mu \neq 53.9$

Sample mean, $\bar{X} = 53.7$

Sample size, n = 110

Standard deviation, $\sigma = 1.8$

Significance level, $\alpha = 0.02$

The value of the test statistics is given by the formula:

$z_{test} = \frac{\bar{X} - \mu}{\frac{\sigma}{\sqrt{n} } } \\z_{test} = \frac{53.7 - 53.9}{\frac{1.8}{\sqrt{110} } } \\z_{test} = - 1.17$

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3 years ago

15 points <br> Which graph represents the function g(x) = |x+4|+2?

rewona [7]

Answer:

number 3

Step-by-step explanation:

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Consider the equation 5x-2y=3. If possible, find a second linear equation to create a system of equations that has: Exactly one

nekit [7.7K]

A) One solution: 5x +2y = 0 . . . . (any line with a different slope)

b) Two solutions: not possible

c) No solutions: 5x -2y = 0 . . . . (any different line with the same slope)

d) Infinitely many solutions: 10x -4y = 6 . . . . (any other equation for the same line)

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Translate to algebra; the quotient of a number less than ten and the number less two<br>

Alja [10]

Answer:

please can u give full question

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3 years ago

Solve de system by elimination. x-5y=3 4x-4y=12

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If we multiply the top equation by -4 we can get rid of the x so:

-4x+20y=-12

4x-4y=12

Add these up

16y=0

Y=0

X=3

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3 years ago