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3 years ago

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Aimee is flying a plane for the first time! The air traffic controller tells her to fly at 500m above the ground or higher. Writ

e an inequality that is true only for elevations (h) at which Aimee should fly.

1 answer:

Gelneren [198K]3 years ago

6 0

She needs to fly at 500 or higher which means that the equation needs to include
$\geqslant$

The answer is
$h \geqslant 500$

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Answer:

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3 years ago

Read 2 more answers

The manufacturer of an airport baggage scanning machine claims it can handle an average of 560 bags per hour. (a-1) At α = .05 i

ioda

Answer:

The calculated value t = 1.76 < 2.131 at 0.05 level of significance

Null hypothesis is accepted

The manufacturer’s claim is greater than 560 bags per hour

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given sample size 'n' =16

Given the manufacturer of an airport baggage scanning machine claims it can handle an average of 560 bags per hour.

mean of the Population 'μ' = 560

Mean of the sample Χ⁻ = 538

sample standard deviation' S' = 50

<em><u>Null hypothesis</u></em><em>:H₀:μ > 560</em>

<em><u>Alternative Hypothesis</u></em><em>:H₁ : :μ < 560 (left tailed test)</em>

<em>Test statistic</em>

$t = \frac{x^{-}-mean }{\frac{S}{\sqrt{n} } }$

$t = \frac{538-560 }{\frac{50}{\sqrt{16} } } = -1.76$

|t| = |-1.76| = 1.76

<em>Degrees of freedom </em>

<em>γ = n-1 =16-1 =15</em>

$t_{\frac{\alpha }{2} } = t_{\frac{0.05}{2} } =t_{0.025} =2.131$

<em><u>Conclusion</u></em>:-

The calculated value t = 1.76 < 2.131 at 0.05 level of significance

Null hypothesis is accepted

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3 years ago

Consider the two functions given below. f(x)= -3x+5 g(x)= f(x)+9 What is the y-intercept of g? A. (0,9) B. (0,4) C. (0,14) D. (0

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Answer:

C. (0, 14)

Step-by-step explanation:

f(x) = -3x + 5

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g(x) = -3x + 5 + 9

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