(a)36 = 6
(b)81 = 9
(c)256 = 16
(d)196 = 14
The sum of two odd numbers is 23+13. One way you could figure it out is to use your logic thinking! Hope this helps and I hope that you get this answer before the moderater deletes it! (They hate me! ☹️ I don't know what I ever done to them I just started today)
Answer:
μ = 1 The firm expects that one oil exploration will be successful.
v(x)= 0.9
Step-by-step explanation:
The first step is to define the random variable x as:
x: number of oil explorations being succesful
Then x can be take this values:
x = 0 , x =1 ... x =10
x is a binomially distributed random variable with parameters.
p = 0.1 and n=10
And the mean or the expected value of x is:
μ = E(x) = np
Then μ = 10*0.1 = 1
And the variance of x is:
V(x) = np(1-p)
V(x) = 10(0.1)(1-0.1)= 0.9
A, because:
Hardcover: 0.35
Buys hard cover and non-fiction: 0.35 x 0.55 = 0.1925