Find the value of p:
p+5=0

The mean of 7,5,8,p and 11 is 8. Find the value of p.

Number of proper divisors of 3^(2)5^(3) which are odd, is p then find the value of (p-5)

If "^9P_5+5*^9P_4=^(10)P_r , find the value of r .

If "^(2n+1)P_(n-1):^(2n-1)P_n=3:5, then find the value of n .

If .^(n)P_(5)=20 .^(n)P_(3) , find the value of n.

If .^(6)P_(r): .^(6)P_(5) = 1:2 , find the value of r.

Find the value of r, if (i) .^(11)P_(r)=990 (ii) .^(8)P_(5)+5*.^(8)P_(4)=.^(9)P_(r)

For two events A and B P(A)=0.7, P(B)=0.5 and P(AnnB)=0.3 . Find the values of following: (i) P(AuuB) (ii) P(A//B) (iii) P(barA//barB) (iv) P(barB//barA)

Find the value of p for which x+1 is a factor of x^4+(p-3)x^3-(3p-5)x^2+(2p-9)x+6. Find the remaining factor for this value of pdot

A binomial random variable X, 5P(X = 3) = 2P(X = 2), when n = 5. Find the value of parameter p.