Question: A professor gives her students 15 essay questions, which include 4 that she intends to use in a test. A student has time to study

A professor gives her students 15 essay questions, which include 4 that she intends to use in a test. A student has time to study for only five of these questions. What is the probability that, of the questions studied, (a) Exactly three are selected for the test? (b) Exactly two are selected? (c) At least one is selected? NOTE: PLEASE SEND ME ANSWER IN TYPED FORM STRICTLY PROHIBITED HAND WRITTEN SOLUTION AND SEND ME FINALLY ANSWER SEPRATELY

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