35-40: Type of Study. Determine whether each of the following studies described is observational or an experiment. If the study is an experiment, identify the control and treatment groups, and discuss whether single- or double-blinding is necessary. If the study is observational, state whether it is a retrospective study, and if so, identify the cases and controls.

Q: whale's dir

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A: Step 1:

Q: okay can you also do part b now.

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A: logeea=a and logea=lna

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A: Step 1: Step 2: Step 3: Step 4:

Q: Please solution for part G,  Thanks!

A: (g) n=50, P(∑i=150Xi<1124.54)=?

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A: You need to know this before solving the question.

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Q: cleared

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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.