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mars1129 [50]
3 years ago
5

14×12 distributive property​

Mathematics
1 answer:
miss Akunina [59]3 years ago
5 0
186 if that’s the answer you where looking for if not comment here it will give me a notification and I will see
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Carly's age is more than twice his sisters age, s. Which of the following expressions represents Carly's age? (A) 2s + 3 (B) 3s
Ilya [14]
I would say A.

B would be Carly's age is two years more than three times his sister's age.

C would be Carly's age is two times his sister's age plus three

D would be Carly's age is his sister's age squared plus three.
5 0
2 years ago
Read 2 more answers
] It is claimed that 42% of US college graduates had a mentor in college. For a sample of college graduates in Colorado, it was
Bad White [126]

Answer:

z=\frac{0.480 -0.42}{\sqrt{\frac{0.42(1-0.42)}{1045}}}=3.930  

The p value for this case would be given by:

p_v =P(z>3.930)=0.0000443  

For this case the p value is lower than the significance level so then we have enough evidence to reject the null hypothesis so then we can conclude that the true proportion is significantly higher than 0.42

Step-by-step explanation:

Information given

n=1045 represent the random sample selected

X=502 represent the college graduates with a mentor

\hat p=\frac{502}{1045}=0.480 estimated proportion of college graduates with a mentor

p_o=0.42 is the value that we want to test

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true proportion is higher than 0.42, the system of hypothesis are.:  

Null hypothesis:p \leq 0.42  

Alternative hypothesis:p > 0.42  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info we got:

z=\frac{0.480 -0.42}{\sqrt{\frac{0.42(1-0.42)}{1045}}}=3.930  

The p value for this case would be given by:

p_v =P(z>3.930)=0.0000443  

For this case the p value is lower than the significance level so then we have enough evidence to reject the null hypothesis so then we can conclude that the true proportion is significantly higher than 0.42

7 0
3 years ago
How can I find the greatest common factor for number 7?
IRISSAK [1]
The greatest common factor of the number 6 is 1
5 0
3 years ago
Which has the same value as 1 5 tens?
Olenka [21]

The answer would be 150 as each ten bar is si worth 10 and 10x15=150.

8 0
3 years ago
HELP HELP HELP HELP ME PLEASE <br> Answer 7 and 8
Svetach [21]

I DONT KNOW FHUEITHNGIFJTFRJNRGV

H

8 0
3 years ago
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