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Aneli [31]
3 years ago
5

Determine the contrapositive of the conditional statement: If My Mom has to work, then I babysit my little sister.

Mathematics
1 answer:
jek_recluse [69]3 years ago
6 0
If my babysitter is not my little sister,then my mom does not work.
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In a survey sample of 83 respondents, the mean number of hours worked per week is 39.04, with a standard deviation of 11.51. Cal
soldier1979 [14.2K]

Given that,

Sample size= 83

Mean number= 39.04

Standard deviation= 11.51

We know the critical t-value for  95% confidence interval which is equal to 1.989.

We also know the formula for confidence interval,

CI=( mean number - critical t-value*standard deviation/(sample size)^(1/2), mean number + critical t-value*standard deviation/(sample size)^(1/2))

So, we have

CI= (39.04 - 1.989*11.51/83^(1/2), 39.04 + 1.989*11.51/83^(1/2)

CI= (39.04 - 2.513,39.04 + 2.513)

CI= (36.527,41.553)

Therefore, 95% confidence interval for these data is (36.527,41.553), and this result interpret that the true value for this survey sample lie in the interval (36.527,41.553).

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3 years ago
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BigorU [14]
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3 years ago
WILL GIVE BRAINLEIST TO WHOEVER GETS IT RIGHT
Yakvenalex [24]

Answer:

Brainliest!!! :)    XD  =D

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3 years ago
$180.00 is what precent greater than $135.00
adell [148]
X % ==> $180.00
100% ==> $135.00

So : 180.00*100/135.00 = 133.33 %.

Hope this helps !

Photon
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3 years ago
Please answer! I will mark you as Brainliest!
Rashid [163]
The correct answer is c have a great day
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