Graham makes $62,800 per year. He has individual health care, which is $52 per month. His yearly contribution is 10% of the tota
l cost. How much does his employer contribute?
1 answer:
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Answer:
0.6804
Step-by-step explanation:
Given that Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average.
Since each trial is independent and there are two outcomes, X no of good serves is binomial with n=6 and p =2/3
Required probability
= Prob that atleast four of 6 times good serve
=
=
Formula used:
P(X=r) =