Suppose the sample space for a continuous random variable is 0 to 8. if the
area under the density curve for the variable from 0 to 5 is 0.625, what is the
area under the density curve from 5 to 8?

The oates family went out for dinner the price of the meal was $33.95 the sales tax was 7.25% of the price of the meal . the tip was 15% of the meal and the sales tax . how much money did the oates family pay for the meal, including tax and tip