Please help with part b$,$ ii$.$

a$)$ Given $ZN(0,1),$ use Matlab or Python to calculate a value $z^{*}$ such that $z^{*}=98\%$hat$(p)inhat(p)>5n>30$nhat$(p)(1-$hat$(p))>5P(-z^{*}$

$z^{*}=$

$(Enter$ your answer correct $toat$ least $3$ decimal places$)$

$b)In$ a random sample $of192$ certain detonators used with explosives $in$ a coal mining, $it$ was found that $154of$ them function

properly.

$i$