a basket contains 10 apples, of which 1 is spoiled and the rest are good. if we select 2 apples from the basket simultaneously and at random, what is the probability that the 2 apples selected will include the spoiled apple?  Choose the correct choice from the following answers: A) 2 / 9 B) 3 / 8 C) 2 / 7 D) 1 / 6 E) 1 / 5
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">binomial(9, 1)</gadget>
<output>9</output>

<gadget id="calculator">binomial(10, 2)</gadget>
<output>45</output>

<gadget id="calculator">9 / 45</gadget>
<output>1/5 = around 0.2</output>

<result>E</result>
a basket contains 10 apples, of which 1 is spoiled and the rest are good. if we select 2 apples from the basket simultaneously and at random, what is the probability that the 2 apples selected will include the spoiled apple?
divide(choose(subtract(10, 1), 1), choose(10, 2))
"the total number of ways to choose 2 apples is 10 c 2 = 45 the number of ways that include the spoiled apple is 9 c 1 = 9 p ( the spoiled apple is included ) = 9 / 45 = 1 / 5 the answer is e ."