An experiment consists of randomly choosing a number between 1 and 10. Let E be the event that the number chosen is even. Assuming that each of the numbers between 1 and 10 is equally likely to be chosen, find P(E).
A) .2
B) .8
C) .5
D) .1

Question

Quizplus · Accepted Answer

There are 5 even numbers (2, 4, 6, 8, 10) between 1 and 10. The probability P(E) is the number of favorable outcomes (even numbers) divided by the total number of outcomes (numbers between 1 and 10), which is 5/10 = 0.5.

An Experiment Consists of Randomly Choosing a Number Between 1