Find the percent of the area under the density curve where x is less than 3

The area under the density curve is equal to 100 percent of all probabilities. As we usually use decimals in probabilities you can also say that the area is equal to 1 (because 100% as a decimal is

100%

Step-by-step explanation:

got it right on Khan

(a) the volume of the cone is 20/3 in3

hence, option a is correct.

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