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Sergeu [11.5K]
3 years ago
15

The scatterplot shows the number of hours that several students worked to sell tickets for a concert and the number of tickets t

hat each student sold.
A graph titled Ticket Sales has number of hours on the x-axis, and number of tickets on the y-axis. Point (1, 60) is outside of the cluster.

Which data value would cause the interpretation of the data set to be overstated?
(1, 10)
(1, 60)
(9, 85)
(10, 80)
Mathematics
2 answers:
tia_tia [17]3 years ago
7 0

Answer:

B 1,60

Step-by-step explanation:

did the test

lesya692 [45]3 years ago
3 0

Answer:

B 1,60

Step-by-step explanation:

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In a random sample of 74 women at a company, the mean salary is $39,902 with a standard deviation of $3270 in a random sample of
ValentinkaMS [17]
The correct answer is the first choice, ($1818.30, $5077.70.)

To find this, we first find the z-score based on the confidence level:
Convert 95% to a decimal:  95%=95/100 = 0.95
Subtract from 1:  1-0.95 = 0.05
Divide by 2:  0.05/2 = 0.025
Subtract from 1:  1-0.025 = 0.975

Using a z-table (http://www.z-table.com) we see that this value is associated with a z-score of 1.96.

Next, we identify 
\overline{x_1}=39902; \overline{x_2}=36454; n_1=74; n_2=40; \sigma_1=3270; \sigma_2=4677

Next we find
(\overline{x_1}-\overline{x_2})=(39902-36454) = 3448

Next we find 
\sqrt{\frac{\sigma_1^2}{n_1}+\frac{\sigma_2^2}{n_2}}
\\
\\=\sqrt{\frac{3270^2}{74}+\frac{4677^2}{40}}=\sqrt{\frac{10692900}{74}+\frac{21874329}{40}}
\\
\\=831.479

Next, we multiply this value by z:
1.96(831.479) = 1629.70

The confidence interval is given by
3448\pm1629.70
\\
\\=(3448-1629.70, 3448+1629.70)
\\
\\=(1818.30, 5077.70)
5 0
3 years ago
Trail mix is sold in 1-pound bags.Mary will buy some trail mix and repackage it so that each of the 15 members of her hiking clu
inessss [21]

Answer:

6 bags.

Step-by-step explanation:

We have been given that trail  mix is sold in 1-pound bags. Mary will buy some trail mix and repackage it so that each of the 15 members of her hiking club gets one 2/5 bag.

Let us find the number of pounds Mary will need to give to 15 members. As Mary wants to give 2/5 of 1 ounce bag of trail mix, so she will need 15 times 2/5 ounces to given to 15 members of her hiking club.

\text{Pounds of trail mix needed to give to 15 members}=15\times \frac{2}{5}\text{ ounce}

\text{Pounds of trail mix needed to give to 15 members}=3\times 2\text{ ounce}

\text{Pounds of trail mix needed to give to 15 members}=6\text{ ounces}

So Mary needs 6 pounds of trail mix to give to 15 members of her hiking club. As trial mix is sold in 1-pound bags, therefore, Mary should buy 6 bags to have enough of trail mix without any trail mix left over.

3 0
3 years ago
PLEASE ANSWER + BRAINLIEST!!
AlekseyPX
Looking at x^2 - x - 30, we see that 5*6=30, so we can immediately conclude that <span>x^2 - x - 30 = (x+5)(x-6).  check this by multiplication.

</span><span>2m^2 - 2m - 60 can be reduced to 2(m^2 - m - 30), which in turn can be factored as    2(m+5)(m-6).  The trick here is to notice how easily "2" can be factored out of the given equation.
</span><span>

</span>
3 0
3 years ago
A cookie company uses one cup of sugar for every 20 cookies it makes. Let S represent the total number of cups of sugar used, an
shtirl [24]
Well it says 1 cup of sugar (S) for every 20 cookis (N) is like saying the amount of cookies(N) is increased by a factor of 20 times the cups of sugar (S) used. which can be written:
cookies(N) = 20 * cups sugar (S)

So you just get rid of the words and use the variables S and N and get

N = 20S

that is the equation. to graph it just plug in a few numbers for s and get the n. It's just like x and y but where x is S and y is N
5 0
3 years ago
The triangle in Quadrant IV is the image of the triangle in Quadrant II after a counterclockwise rotation about the origin. What
Gwar [14]
Your answer is letter a so 9 I hope this help
3 0
3 years ago
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