Questions 5-7 Mark is a mechanic who is specialized in performing service on Honda cars. His clients have to make an appointment at least one week ahead but sometimes there are last minute cancellations. All of Mark's income comes from these services and he works from Monday to Friday. Let R be the number of cars on which Mark performs service in a randomly selected day. The probability distribution of the random variable R is given in the probability table below. P(r) 3 0.13 4 0.14 0.17 6. 0.18 7. 0.15 8 0.12 9 0.11 5. Find the probability that Mark performs service on less than 6 cars in a randomly selected day. A 0.44 B 0.45 C 0.40 D 0.36 E 0.33

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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.