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6 male students and 3 female students sit around a round table. The probability that no 2 female students sit beside each other can be expressed as a/b, where a and b are coprime positive integers. What is the value of a+b? Solution) For no female to sit beside each other the females should sit in alternate places.let the males also occupy alternate places then the no. of arrangements for male= (6-1)!=5! (circular permut.)the females can be give the 6 vacant places but there are only 3 female so arrangements= 6-P-3=20hence total no. of favourable outcomes= 20 . 5!and total outcomes= (9-1)!=8!hence P(e)= 20.5!/8!=20/8.7.6=5/84HENCE a+b=5+84=89(ANS)
In her last gymnastics competition Keri scored a 5.6 on the floor exercise, 5.85 on the vault, and 5.90 on the balance beam. What was Keri's total score? Keri's three scores re
in a veggie mix the ratio of cups of carrots to cups of broccolie is 4 to 5 if you made this party mix larger how many cups of carrots would be needed to mix with fo cups of brocco
prove angle MJL is congruent to angle KNL
If 2/3 of a number is 24 then 1/4 of a number is...
Solve the fractional equation: Example: Solve the fractional equation 1/(x-2) +1/(x+3) =0 Solution: The LCD is (x - 2)(x + 3); therefore, multiply both sides of t
The Geometric Index or Industrial Share index The Geometric Index or Industrial Share index is an index of 30 selected top industrial companies. This is calculated by taking a
Power Series and Functions We opened the previous section by saying that we were going to start thinking about applications of series and after that promptly spent the section
apzza driver delivered 27 pizzas in one night he delivered more then one pizza to only one house . every other hhouse he only delivered pizza to 18 houses . how many pizzas did he
multiply (1/2+1/2i) ten times
State the following statement as a disjunction (in DNF) as well using quantifiers: There does not exit a woman who has taken a flight on each airline in the world.
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