We flip a coin 100 times (n = 100) and note that it only comes up heads 20% (p = 0.20) of the time. The mean and standard deviation for the number of times the coin lands on heads is u = 20 and o = 4 (verify the mean and standard deviation). Solve the following. (Round your percents to two decimal places.) (a) There is about a 68% chance that the number of heads will be somewhere between (smaller value) and (larger value). (b) There is about a % chance that the number of heads will be somewhere between 12 and 28. (c) There is about a % chance that the number of heads will be somewhere between eight and 32.

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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.