2cos theta= -2root3 sin(-theta)
1 answer:
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Answer:
chances chances of happening = 0.0119
Step-by-step explanation:
given data
bet = $5
independent fair games = 50
solution
we will think game as the normal distribution
so here mean is will be
mean =
mean = 25
and standard deviation will be
standard deviation =
standard deviation = 3.536
so
we have to lose 33 out of 50 time for lose more than $75
so as chance of doing things z score is
z score =
z score = 2.26
so from z table
chances chances of this happening = 0.0119
S-selling price
c-cost price
p-profit
p=37,5%
*100%=37,5% /:100%
=0,375 /*s
s-c=0,375*s /-s
0-c=-0,625*s /:(-s)
=0,625
c-cost price
p-profit
p=37,5%
s-c=0,375*s /-s
0-c=-0,625*s /:(-s)