2 years ago

Why do we estimate a line of best fit for scatter plot

Mathematics

1 answer:

rewona [7]2 years ago

7 0

We estimate it like that because it makes more sense

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A bank loans $2100 to a business at 7% for 3 months. How much simple interest will the bank earn?

Natali [406]

Answer:

$36.75

Step-by-step explanation:

The amount of interest payable is given by ...

I = Prt = $2100·0.07·(3/12) . . . . . . . . t is in years

I = $36.75

The bank earned $36.75 on the loan.

7 0

2 years ago

carly's baby sister like to stack her blocks to make patterns. how do she demostrate the relationship between the stack number a

Svetlanka [38]

She counts both piles.

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2 years ago

Camilla has three times as many points as Lynn. Lynn has five

REY [17]

Step-by-step explanation:

l x 3 = c

k + 5 = l

(c + l + k) x 2 = 25

c = 33

l = 11

k = 6

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3 years ago

Consumer products are required by law to contain at least as much as the amount printed on the package. For example, a bag of po

Troyanec [42]

Answer:

The average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag=9.802

Step-by-step explanation:

We are given that

Standard deviation, $\sigma=0.2$ ounces

We have to find the average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag.

$P(x\geq 10)=0.99$

Assume the bag weight distribution is bell-shaped

Therefore,

$P(\frac{x-\mu}{\sigma}\geq 10)=0.99$

We know that

$z=\frac{x-\mu}{\sigma}$

Using the value of z

Now,

$\frac{10-\mu}{0.2}=0.99$

$10-\mu=0.99\times 0.2$

$\mu=10-0.99\times 0.2$

$\mu=9.802$

Hence, the average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag=9.802

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2 years ago

Hadley paddled a canoe 2/3 mile in 1/4 hour. How fast did Hadley paddle, in miles per hour?

irina [24]

Answer:

Step-by-step explanation:

Hadley paddled a canoe 2/3 mile in 1/4 hour. it will be 4 times more in an hour because 1/4*4=4/4=1. 2/3*4=8/3=2 2/3

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2 years ago