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Mariulka [41]
3 years ago
13

Pls help, ill give brainliest

Mathematics
1 answer:
makkiz [27]3 years ago
7 0
The answer is J sorry if I’m not right
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A certain ferry moves up and down a river between Town A and B. It takes the ferry two hours to travel to Town A and only an hou
Sonbull [250]

Answer:

the Answer is 60 miles.

Step-by-step explanation:

6 0
4 years ago
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Scores for a civil service exam are normally distributed with a mean of 75 and a standard deviation of 6.5. To be eligible for c
kvasek [131]

Answer:

The lowest score you can earn and still be eligible for employment is 85.6925

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 75, \sigma = 6.5

Top 5%.

At least the 100-5 = 95th percentile.

The 95th percentile is X when Z has a pvalue of 0.95. So X when Z = 1.645.

Z = \frac{X - \mu}{\sigma}

1.645 = \frac{X - 75}{6.5}

X - 75 = 1.645*6.5

X = 85.6925

The lowest score you can earn and still be eligible for employment is 85.6925

3 0
4 years ago
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A graphic charges a fee of 1600 to design a poster for a jazz festival the designer also receives 8% commission on sales of the
iris [78.8K]

Answer:

The total income of designer from this work is $1649.6.

Step-by-step explanation:

The fees charged by the designer = $1600

The commission on total sales = 8%

Total sales amount in the festival =  $620

Now, 8% of $620 = \frac{8}{100}  \times 620 = 49.6

So, the commission on total sales = $49.6

Also, Total Income of the designer = Deign Fee + 8% Commission fee

= $1600 + $49.6

= $1649.6

Hence, the total income of designer from this work is $1649.6.

5 0
4 years ago
Find the area of this figure (sides meet at right angles)
Marrrta [24]

Answer:

60 cm²

Step-by-step explanation:

Just divide the figure in parts and then find their areas separately. At last, find the area of the whole figure by adding the areas of the parts

6 0
3 years ago
Henlo can i get a debate on wether the furry fandom deseves all the hate it gets or if it should be more appreciated as a fandom
horsena [70]

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well bcs we cool so appreciated <3 periodTH lolz

Step-by-step explanation:

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