Answer:
The mean number of adults who would have bank savings accounts is 32.
Step-by-step explanation:
For each adult surveyed, there are only two possible outcomes. Either they have bank savings accounts, or they do not. So we use the binomial probability distribution to solve this problem.
Binomial probability distribution
Probability of exactly x sucesses on n repeated trials, with p probability.
The expected value of the binomial distribution is:
In this problem, we have that:
If we were to survey 50 randomly selected adults, find the mean number of adults who would have bank savings accounts.
This is E(X) when 
.
So
The mean number of adults who would have bank savings accounts is 32.
Answer:
F
Step-by-step explanation:
If you used the first one
(4÷4) (4÷4) = 1 which is correct.
input the values in the equations and check each one
Answer:
c. (x +3)(x + 1)
Step-by-step explanation:
Factoring an equation is a way of expressing an equation as the product of other linear expressions. The following expression,
Can be represented as the product of the following,
To check this, one can distribute, one of the expressions over the other, then simplify, the result should be the starting expression,
Distribute,
Simplify,
Answer:
k=3
Step-by-step explanation:
+ we note f(p)= 
+ Because of "p-1 is a factor of f(p)", that means f(p)= (p-1)* g(p)
Then we have f(1)= (1-1)*g(1)= 0* g(1)= 0
+ We replace p=1 in f(p) and we have:
f(1)=0
that means: 
then 1+1+1-k = 0, 3-k=0 or k=3
Hope that useful for you.
The volume of a prism of this type is
v= (1/2) x B x h x H
(1/2) x 15.24 x 8 x 12
= 732
