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Illusion [34]
3 years ago
13

The numbers of beads on 500 handcrafted bead

Mathematics
1 answer:
pashok25 [27]3 years ago
7 0
 <span>The numbers of beads on 500 handcrafted bead necklaces follow a normal distribution whose mean is 24 beads and standard deviation is 4 beads. 
</span>so....
<span>About 24 necklaces have more than 28 beads. </span>
<span>About 48 necklaces have more than 28 beads. </span>
<span>About 80 necklaces have more than 28 beads. </span>
About 96 necklaces have more than 28 beads<span>

</span> <span>About 80 necklaces have more than 28 beads. 
</span><span>
Z score is 28-24/4=1 
(1-.8413)=0.1587 

500*0.1587=79.35~80

i did this like 2 or 3 years ago .</span>
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