ol><li>The probability that a person in the United States has type B<span>+</span&

gt; blood is <span>13</span><span>%.</span> <span>Three </span>unrelated people in the United States are selected at random. </li><li></li><li>Complete parts<span><span> </span>(a)</span> through<span><span> </span>(d).</span></li><li></li><li><span>(a)</span> Find the probability that all <span>three</span> have type B<span>+</span> blood.The probability that all <span>three </span>have type B<span>+</span> blood is <span>nothing</span>. </li><li><span>(Round</span> to six decimal places as<span><span> </span>needed.)</span></li><li></li><li><span>(b)</span> Find the probability that none of the <span>three</span> have type B<span>+</span> blood.The probability that none of the <span>three</span> have type B<span>+</span> blood is <span>nothing</span>.<span>(Round</span> to three decimal places as<span><span> </span>needed.)</span></li><li></li><li><span>(c)</span> Find the probability that at least one of the <span>three</span> has type B<span>+</span> blood.The probability that at least one of the <span>three</span> has type B<span>+</span> blood is <span>nothing</span>. </li><li><span>(Round</span> to three decimal places as<span><span> </span>needed.)</span></li><li></li><li><span>(d)</span> Which of the events can be considered<span><span> </span>unusual?</span> Explain. Select all that apply.</li><li></li><li>A.  The event in part<span><span> </span>(b)</span> is unusual because its probability is less than or equal to 0.05.B.  <span>None of these events are unusual.</span>C.  The event in part<span><span> </span>(c)</span> is unusual because its probability is less than or equal to 0.05</li></ol>

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