In a nickel-cadmium battery NiCd, a fully charged cell consists of nickelic hydroxide. Nickel is an element which has multiple oxidation states. Let X be the charge of nickel, which has the following probability mass function: 1| fx(x) 0.18 1 0.34 0.33 4 0.15 Determine the mean charge of nickel. A. 2.0 B. 1.5 C. 1.6 D. 1.45 E. none of the preceding
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.
In a nickel-cadmium battery NiCd, a fully charged cell consists of nickelic hydroxide. Nickel is an element which has multiple oxidation states. Let X be the charge of nickel, which has the following probability mass
x fX(x)
0 0.18
1 0.34
2 0.33
4 0.15
Determine the mean charge of nickel.
A. 2.0 B. 1.5 C. 1.6 D. 1.45 E. none of the preceding
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