The equation r(t) = (2t + 7) i + (3r - 9) j+ (3t) k is the position of a particle in space at time t. Find the particle's velocity and acceleration vectors. Then write the particle's velocity at t= 1 as a product of its speed and direction. What is the velocity vector? v(t)=| i+ O j+ k What is the acceleration vector? a(t) = (O i+ (O j+ k Write the velocity vector at t= 1 as a product of the speed and direction. v(1) = (O [O i+ ) j+ () k]

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Q: Suppose that 103 Σ ai = 19 and i=1 103 i=1 b₁ = 18. Compute the sum.

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A: Solution by using Gram-Schmidt process as follows :

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.