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In-s [12.5K]
3 years ago
14

Waiting times​ (in minutes) of customers at a bank where all customers enter a single waiting line and a bank where customers wa

it in individual lines at three different teller windows are listed below. Find the coefficient of variation for each of the two sets of​ data, then compare the variation.
Bank A​ (single line) Bank B​ (individual lines)

6.5 4.3
6.6 5.3
6.6 5.8
6.8 6.2
7.0 6.7
7.3 7.7
7.4 7.7
7.7 8.4
7.7 9.2
7.8 9.9
Mathematics
1 answer:
victus00 [196]3 years ago
8 0
Ghdxvdhusiababsidjwbsifkdnsjcidnbsickdbs
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Ants have 6 legs. Elena and Andre write equations showing the proportional relationship between the number of ants, a, to the nu
Vlad [161]

Answer:

I agree with Elena

Step-by-step explanation:

Ants have 6 legs. Elena and Andre write equations showing the proportional relationship between the number of ants, a, to the number of ant legs, v.

Elena writes a = 6 times v

Andre writes v =1/6 times a.

Mathematically

The number of ants a is directly proportional to the number of legs

=a ∝ v

Because if

1 ant = 6 legs

2 ants = x legs

x = 6 legs × 2

x = 12 legs

The number of ants is directly proportional to the number of legs

Therefore, Elena is correct and Andre is wrong.

8 0
3 years ago
You flip a coin and then roll a fair six-sided die. The coin lands heads-up and the die shows an even number.
NNADVOKAT [17]

Answer:

1/6

Step-by-step explanation:

If you're asking for the probability that the coin is heads and the die is even. Hope this helps :)

1/3*1/2= 1/6

6 0
3 years ago
Read 2 more answers
Suppose a varies directly as b, and a=7 when b=2 find b when a =21
kozerog [31]
Because α varies directley to β
\alpha = k \beta
(k = constant)

α=7 when β=2
7= 2k
k= \frac{7}{2}

so when α=21
21= \frac{7}{2} b
b= 6

6 0
3 years ago
How are real numbers used to describe a real-world situations
avanturin [10]
Real numbers are all rational numbers such as -7 and 4/3 and all irrational numbers. Real numbers are mainly used in counting and also in measurement which is used a lot in real world situations. These numbers help is quantify in the real world.
Hope this helps! Can you give me a brainliest please? I need them badly !
3 0
3 years ago
An X-ray machine for animals costs$125,000. If the loan is for 10 years, an the interest paid is $65,625, what is the interest r
Rina8888 [55]
The answer is 5.25%.

$65,625/10yrs=$6,562.50 per a year.

6,562.5/125000= .0525 which translates to 5.25%.


3 0
3 years ago
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