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) =
Answer:
You can use a table to find the answer which is 1!
Step-by-step explanation:
Answer:
the answer is 11/21 or 0.523809524
hope this helped
Step-by-step explanation:
I solved this problem for you. Your answer is 6/11
Answer:
5 CD's
Step-by-step explanation:
5(#of CD)*12($ for each CD)=60+5 for shiping= 65-10(Gift card)= 55
It says at least 50 so you could not do 4 CD which would be less than $50 spent
Hope this helps :)