Question 1158732
<br>
a. 10 out of 10:<br>
{{{.75^10}}}<br>
b. 8 or more out of 10 (i.e., 8 out of 10 OR 9 out of 10 OR 10 out of 10):<br>
{{{C(10,8)(.75^8)(.25^2)+C(10,9)(.75^9)(.25)+.75^10}}}<br>