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3 years ago

Can some one explain what an arithmetic sequence is...?

Mathematics

1 answer:

EastWind [94]3 years ago

8 0

Answer:

An arithmetic sequence is an infinately long set of numbers that increase by a certain amount(this amount is called the common difference) every number. for example, 1,2,3,4,5... is an arithmetic sequence with a common difference of one.

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Find the critical value Zc necessary to form a confidence interval at the level of confidence c=0.82 what does Zc=

IgorC [24]

Answer:

The z-critical values are:

$z_{0.09}=-1.34\\\\z_{0.91}=1.34$

Step-by-step explanation:

The confidence level is, c% = 82%.

The significance level for the two tails are:

Left tailed:

$\frac{\alpha}{2} =\frac{1-c\%}{2}$

$=\frac{1-0.82}{2}\\\\=\frac{0.18}{2}\\\\\=0.09$

Right tailed:

$1-\frac{\alpha}{2} =1-\frac{1-c\%}{2}$

$=1-0.09\\\\=0.91$

The z-critical values are:

$z_{0.09}=-1.34\\\\z_{0.91}=1.34$

*Use the z-table.

5 0

3 years ago

Jobisdone [24]

30% = 0.30

$258.70 * 0.30 = $77.61

$77.61 + $50 = $127.61

$258.70 - $127.61 = $131.09 or 50.67%

Steve will have to pay $131.09 or 50.67% of the bicycle.

7 0

4 years ago

Jerry weighs 105 pounds if a male brown bear weighs 11 times as much what is the brown bear's weight

Gnoma [55]

That boy weighs 1155

6 0

3 years ago

How many different 11-letter arrangements can be made using the letters in the word Firecracker?

zhenek [66]

Answer:

Total number of arrangements = 1,663,200

Step-by-step explanation:

Given:

11 - letter

FIRECRACKER

F = 1

I = 1

R = 3

E = 2

C = 2

A =1

K = 1

Find:

Total number of arrangements = ?

Computation:

Note: Repeated letter will be avoid.

$Number\ of\ arrangements = \frac{!11}{!3 \times !2 \times !2}\\\\Number\ of\ arrangements = \frac{!11}{!3 \times !2 \times !2} \\\\Number\ of\ arrangements = \frac{11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3}{3 \times 2 \times 2 } \\\\Number\ of\ arrangements = 1,663,200$

Total number of arrangements = 1,663,200

6 0

4 years ago

PLEASE HELP BRO PLIS ID APPERICIATE IT SM(please dont say the answer or comment if u dont know it )

dimulka [17.4K]

Answer:

I think it may be 14.1593% or something around that. If not, forgive me.

Step-by-step explanation:

6 0

3 years ago

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