QUESTION 10 A confidence interval was found to be (2.4, 7.9). What was the point estimate? OA. 5.5 B. 5.2 C. 5.15 D. 5.27 O E. 5.34 QUESTION 11

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A: Given heat equation, ∂u∂t=4∂2u ∂x2u(0,t)=0u(8,t)=0u(x,0)=4x-12x2=f(x,y)  Here length l=8 and c2=4

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Q: The NAEP geography assessment scores for eighth-grade students are approximately N(257, 35). Find…

A: GivenN(257,35)Mean(μ)=257Standard deviation(σ)=35x=252