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stealth61 [152]

3 years ago

14

In forming a confidence interval for μ1 - μ2, only two assumptions are required: independent samples and sample sizes of at leas

t 30.
a. True
b. False

1 answer:

AysviL [449]3 years ago

6 0

I’m not sure but I guess it’s false

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7y + 4x - 10 + 5y - 5 + x

Lemur [1.5K]

Answer:

hope it helps u

Step-by-step explanation:

7y + 4x - 10 + 5y - 5 + x

= 7y+5y+4x+x–10–5

= 12y+5x–15

7 0

3 years ago

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What is the basic ratio for 30:42

lianna [129]

30:42 is represented as 30/42
The lowest form for that is 5/7. Hope that helped. Good luck

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3 years ago

Which equation would best help solve the following problem

Alexeev081 [22]

Find the time by its formula

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3 years ago

He sum of seven interior angle measurements in an octagon equal 845º. What is the angle measurement of the 8th angle?

babunello [35]

Answer: $235^{\circ}$

Step-by-step explanation:

Given

The Sum of the seven interior angles of an octagon is $845^{\circ}$

for a Polygon, the sum of the interior angles is given by $(n-2)180^{\circ}$

for octagon, n=8

The Sum of interior angles is $(8-2)360^{\circ}=1080^{\circ}$

Suppose the eighth angle be $x$

$\therefore x+845=1080\\\Rightarrow x=235^{\circ}$

The $8^{th}$ angle is $235^{\circ}$

6 0

3 years ago

HELP I need help PLEASSSSEEE

Natalija [7]

Answer:

A.385.33

Step-by-step explanation:

24×10= 240

240÷2=120

13^2×pi= 530

530/2=265

265+120=385

8 0

3 years ago