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Crazy boy [7]
3 years ago
12

Select true or false for each statement.

Mathematics
1 answer:
Lelu [443]3 years ago
6 0

Answer:

1 is false

2 is false

3 is true

Step-by-step explanation:

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Is b+b+b+c+c+c is a equivalent expression?<br> A. True <br> B. False
Rama09 [41]

Answer:

A. True

Step-by-step explanation:

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5 0
3 years ago
Who ever answers this will get a year of good luck also 25 points I think
Natalija [7]

the first one is 0.00001

Step-by-step explanation:

its on the screen

5 0
3 years ago
Read 2 more answers
Help with answer please!
lana [24]

Answer:

no

Step-by-step explanation:

5 0
3 years ago
The 1996 gss asked, "if the husband in a family wants children, but the wife decides that she does not want any children, is it
zzz [600]
The confidence interval would be
0.80\pm0.03.

We use the formula
p\pm z*\sigma_p, where

\sigma_p=\sqrt{\frac{p(1-p)}{N}}, with p being the sample proportion and N being the sample size.

First we find the z-score associated with this level of confidence:
Convert 95% to a decimal:  95/100 = 0.95
Subtract from 1:  1-0.95 = 0.05
Divide by 2:  0.05/2 = 0.025
Subtract from 1:  1-0.025 = 0.975

Using a z-table (http://www.z-table.com) we see that this value is associated with a z-score of 1.96.

Since 578/720 said yes, this gives us p=0.80:
\sigma_p=\sqrt{\frac{0.80(1-0.80)}{720}}=\sqrt{\frac{0.8(0.2)}{720}=0.015

This gives us
0.80\pm1.96(0.015)=0.80\pm 0.03
5 0
3 years ago
Can you help me on question 20?!
ExtremeBDS [4]

Answer:

its 92

Step-by-step explanation:

81+32+21

=81+9+21

=90+21

=90+2

=92

5 0
3 years ago
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