There are 6 choose 3 possibilities (combinations).
6C3 = 6!/(6-3)!3!
= 6•5•4/(3•2•1)
= 120/6
= 20
With 20 possibilities, there is a 1 in 20 chance that she will choose her favorite three.
The answer is Option C. 1/20.
Hi there
The function is
Y (x)=10000 (1-0.02)^x
Y (x)=10000 (0.98)^x
Where x is the number of time
Hope it helps
Answer:
3.0258
Step-by-step explanation:
50.43*6%=3.0258
Answer:
The standard deviation of the sample mean decreases from 1.43 to 0.5 as n increases from 6 to 49.
Step-by-step explanation:
The standard deviation of the sample mean is given by the following formula:

In which
is the standard deviation of the population and n is the size of the sample.
In this problem, we have that:

How is the standard deviation of the sample mean changed when the sample size is increased from n=6 to n=49?
n = 6

n = 49

The standard deviation of the sample mean decreases from 1.43 to 0.5 as n increases from 6 to 49.
4 is the right answer <span />