For the following observed and expected frequencies: Observed 20 22 11 14 43 Expected 21 26 16 18 42 Send data to Excel Test the hypothesis that the distribution of the observed frequencies is as given by the expected frequencies. Use the a =0.01 level of significance and the P-value method with the TI-84 Plus calculator. (a) State the null and alternate hypotheses. (b) Find the P-value. Round the answer to at least four decimal places. (c) Determine whether to reject Ho. (d) State a conclusion.

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Q: x+2S 3x 16 R. 40

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Q: find the value of x round to the nearest tenth

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Q: 10 x -7.4

A: Given expression is (-10) multiply by(-7.4)=74.0

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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.