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3 years ago

Order from least to greatest [-2,4,23,-1,5,-3,6] absolute number

Mathematics

1 answer:

mihalych1998 [28]3 years ago

4 0

Answer:

-3 < -2 < -1 < 4 < 5 < 6 < 23

Step-by-step explanation:

Im really sorry if im wrong

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The mean annual premium for automobile insurance in the United States is $1503 (Insure website, March 6, 2014). Being from Penns

Arturiano [62]

Answer:

It is not evident the mean annual premium in Pennsylvania is lower than the national mean annual premium

Step-by-step explanation:

Given that annual premium for automobile insurance in the United States (Insure website, March 6, 2014), are as follows:

Mean 1440.00

SD 165.00

SEM 33.00

N 25

a) $H_0: \bar x = 1503\\H_a: \bar x$

(left tailed test at 5% level)

b) a point estimate of the difference between the mean annual premium in Pennsylvania and the national mean

= $1440-1503\\=-103$

c) df = 24

standard error of difference = 33.000

t = 1.9091

The 95% confidence interval of this difference:

From -131.11 to 5.11

p value = 0.0683

Since p >0.05, we accept H0

It is not evident the mean annual premium in Pennsylvania is lower than the national mean annual premium

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4 years ago

Can someone help me ?

antoniya [11.8K]

Answer:

AC is four times longer than DF

Step-by-step explanation:

AC is the diameter of the circle E and DE is the radius of the circle E

AC = 2 x DE

DE is the diameter of the circle F and DF is the radius of the circle F

DE = 2 x DF

AC = 2 x DE

AC = 2 x (2 x DF)

AC = 4 x DF

So AC is four times longer than DF

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Ellen's survey is more representative

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Add the fractions and simplify the answer 1/2 +2 /3

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Step-by-step explanation:

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