For the following problems: a) Identify the null and alternative hypothesis. b) Calculate the critical value c) Calculate the test statistic d) Draw your conclusion on whether the null hypothesis will be rejected or failed to be rejected. e) Find the 95% Confidence Interval According to work done by Nick Wilson of Otago University Wellington, the proportion of individuals who cover their mouths when sneezing is 0.733. As part of a school project, Mary decides to confirm this by observing 100 randomly selected individuals sneeze and finds that 78 covered their mouth when sneezing. Test to see if there is a difference in proportions of people covering their mouth when sneezing. Let a=0.05.

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Q: Simultaneou S oy =104 OLy? = 103 %3D

A:

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.