Answer:8x^2-4x-5
Step-by-step explanation:just subtract
Answer: 43%
Step-by-step explanation:
Answer:
The answer is 4
Step-by-step explanation:
For a poisson distribution, the variance is equal to the mean. Since the average number of defects per product is 2, it means that the mean per product is 2. Hence for 32 units it is 16 divided by 2 which is 16.
Also, since the square root of variance is equal standard deviation, the square root of 16 is 4.
There are 56 ways to choose the team
Answer:
Solving the expression
we get: 
Step-by-step explanation:
We need to solve the expression: 
This is a quadratic expression and it can be solved using quadratic formula
Solving:

we can write it as:

The quadratic formula is: 
where a = 3, b = -2 and c= 1
Putting values and solving:

So, solving the expression
we get: 