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aavil5659
03.05.2021 •
Mathematics
3) What is the degree of the polynomial 5 + 4x^2 + 3^3 − 5
A) 1
B) 2
C) 3
D) 4
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Ответ:
its B
Step-by-step explanation:
have a great day my man
Ответ:
B Please Make mēs brinlyest
Ответ:
(0.4247,0.7753)
Step-by-step explanation:
Given : Sample size : n=30
Number of people graduated from a registered welding course =18
The probability of people graduated from a registered welding course :![p=\dfrac{18}{30}=0.6](/tpl/images/0173/3052/c6a12.png)
Significance level :![\alpha:1-0.95=0.05](/tpl/images/0173/3052/4a0e2.png)
Critical value :![z_{\alpha/2}=1.96](/tpl/images/0173/3052/6c626.png)
A confidence interval for population proportion is given by :-
Hence, the 95 percent confidence interval for the proportion of all welders who graduated from a registered welding course = (0.4247,0.7753)