please help with the one marked with a red x

i keep getting it wrong

please answer with the excel formula as shown on the very top of the pic

fx=NORMINV(0.1,A6,B6) A B C D The length of Billboard pop songs are approximately normally distributed with a mean of 3 minutes and 20 seconds and a standard deviation of 14 seconds. \begin{tabular}{|c|c|} \hline \multicolumn{2}{|c|}{ (In Seconds) } \\ \hline Mean & Standard Deviation \\ \hline 200 & 14 \\ \hline \end{tabular} Required: \begin{tabular}{l|l|} \hline a) What percent of pop songs are shorter than two and a half minutes? & 0.00017752 \\ \hline & \\ \hline b) What percent of pop songs are longer than three minutes? & 0.923436274 \\ \hline \end{tabular} c) Between what time lengths do the middle 90 percent of Billboard pop songs fall: \begin{tabular}{|r|r|} \hline ower Bound (in secondsypper Bound (in seconds) \\ \hline 182.0582781 \\ \hline \end{tabular}