Answer:
n = 32
Step-by-step explanation:
<u><em>Given:</em></u>
<u><em></em></u>
<u><em>Solve:</em></u>
<em />
<em />



~![\mathrm{[Kavinsky]}](https://tex.z-dn.net/?f=%5Cmathrm%7B%5BKavinsky%5D%7D)
3n + 7 ><span> 4n
-3n -3n
7 > n
n</span> < 7
(a) P( fifth one is bad) = P( first 4 are OK) * P(5th is bad)
= (0.98)^4 * 0.02 = 0.0184 or 1.84%
(b) this will be (0.98)^10 = 81.70%