A Biology Instructor Gives Her Class a List of Eight

question 46

Multiple Choice

A biology instructor gives her class a list of eight study problems, from which she will select four to be answered on an exam.A student knows how to solve five of the problems.Find the probability that the student will be able to answer all five questions on the exam.

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Definitions:

Ca

The elemental symbol for Calcium, a soft gray alkaline earth metal with atomic number 20.

Protons

Positively charged particles located in the nucleus of an atom, contributing to the atom's overall charge and mass.

Uranium Atoms

The basic units of the chemical element Uranium, known for their radioactive properties and used as fuel in nuclear power plants.

Uranium Metal

A heavy, dense metal that is radioactive and used primarily as fuel in nuclear reactors.