exam Maths Puzzle Numerical Ability

What z-score equation do we use on a continuous dataset? What is the equation that we should use on a proportion dataset?

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exam Other Question

1. A rental car agency has rental specials on compact cars

a. Toyotas rent for $33 per day and $.18 per mile.
b. Fords rent for $24 per day and $.22 per mile.

Write a ocst e the Pro Shop sold 6 of 20 tennis rackets in May. What percent of the tennis rackets were sold?