Answer:
327.4
Step-by-step explanation:
All you have to do to simplify a number written in scientific notation is to move the decimal place to the left (if the number is negative) and to the right (if the number is positive).
The mean of n numbers is the sum of these numbers divided by n.

The mean of the data set is 20.
Answer:

Step-by-step explanation:
Given

Required [This completes the question]
The probability of exactly 0 deaths
This probability follows a Poisson distribution, and it is given by:

For 0 deaths;

So, the expression becomes




Substitute 0.011 for 


<em>The probability of having exactly death is 0.9891</em>
Divide the amount you need to invest by the percentage.
430/0.05 = 8,600
You earned $8,600
3 + 3 = 6
3 x 3 = 9
3^3 = 27
3 - 3 = 0
3 / 3 = 1
{whichever you mean}