4^3-(24divided6)+8=?
2 answers:
Answer:
68
Step-by-step explanation:
According to the Order of Operations [GEMS\BOMDAS\PEMDAS etc.], in this case, you deal with the grouping symbols first before anything else, then comes the exponents, and finally comes Subtraction & Addition from right to left [or left to right, if you know what you are doing correctly]. Doing all of these will give <em>sixty-eight</em><em>.</em>
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According to this chart, the area of a circle with a diameter of <span>2.2 m is
area=(pi)(r)^2=</span><span><span>(pi)(d/2)^2</span>
= (pi)(2.2/2)^2
= 1.21 (pi) m^2</span>
area=(pi)(r)^2=</span><span><span>(pi)(d/2)^2</span>
= (pi)(2.2/2)^2
= 1.21 (pi) m^2</span>
Answer:
<em>95% of confidence intervals are</em>
<em>(31.5215 , 53.4785)</em>
Step-by-step explanation:
<u><em>Explanation</em></u>:-
Given sample size 'n' =24
Mean of the sample x⁻ = 42.5
Standard deviation of the sample 'S' = 26
<em>95% of confidence intervals are determined by</em>
<em></em><em></em>
<em>Degrees of freedom </em>
<em> ν =n-1 = 24-1 =23</em>
<em></em><em></em>
<em>95% of confidence intervals are</em>
<em></em><em></em>
<em>( 42.5 -10.9785 ,42.5 +10.9785)</em>
<em>(31.5215 , 53.4785)</em>
<em></em>