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3 years ago

The table shows the relationship between Megan's earnings and the hours that she worked.

Mathematics

1 answer:

zavuch27 [327]3 years ago

8 0

I got 76 for the missing value

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The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airp

yKpoI14uk [10]

Answer:

Confidence Interval in 95% confidence level for the quality rating is (6.06,7.46)

Step-by-step explanation:

Confidence Interval can be calculated using the formula M±ME where

M is the mean of the sample
ME is the margin of error in a given confidence level

Using the sample obtained from 50 business travelers we get

Mean of the sample is 6.76
standard deviation of the sample is 2.526

Margin of error (ME) around the mean using the formula

ME= $\frac{z*s}{\sqrt{N} }$ where

z is the corresponding statistic in 95% confidence level (1.96)

s is the standard deviation of the sample (2.526)

N is the sample size (50)

Using the numbers in the formula we get:

ME= $\frac{1.96*2.526}{\sqrt{50} }$ ≈ 0.70

Then the confidence interval becomes 6.76±0.70

6 0

3 years ago

What is 5+2? Ive been totally stuck on this for the longest time. I really need help

eduard

that's a tricky one!

but it is 7 i believe

5 0

3 years ago

Socks cost $5 per pair.

Morgarella [4.7K]

Answer:

because there is no cents, so its a whole number, and it will help if u put the answer choices

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Which equation could you use to solve for x in the proportion StartFraction 4 over 5 EndFraction = StartFraction 9 over x EndFra

s344n2d4d5 [400]

Answer:

x = 9x5 / 4

x = 45/4

(either one)

Step-by-step explanation:

$\frac{4}{5}$ = $\frac{9}{x}$

Multiple known diagonals and divide by number opposite to unknown number (x).

Hope that helped!!! k

7 0

3 years ago

Indicate the equation of the given line in standard form. The line with slope and containing the midpoint of the segment whose e

Tems11 [23]

Answer:

x + y = -1

Step-by-step explanation:

To write the equation of a line, find the slope and use it with a point in the point slope form.

You can find the slope using the slope formula.

$m = \frac{y_2-y_1}{x_2-x_1} = \frac{5--3}{-6-2} = \frac{8}{-8}=-1$

Substitute m = -1 and the point (2,-3) into the point slope form.

$y - y_1 = m(x-x_1)\\y --3 = -1(x-2)\\y+3=-1(x-2)$

Convert to standard form by applying the distributive property and rearranging the terms.

y+3 = -1(x-2)

y + 3 = -x + 2

x + y + 3 = 2

x + y = -1

8 0

3 years ago