Question 1192604
mean=np=1574.76
variance=np(1-p)=535.5184, multiply top by 0.34
sd=sqrt(V)=23.14
lower end is using continuity correction factor z=(1568.5-1574.76)/23.14=-0.27
and z=(1587.5-1574.76)23.14=0.55
probability z is in those ranges is 0.3153
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more than 1587 is z>0.55 and that probability is 0.2912