Answer:
0.0001899
Step-by-step explanation:
Total number to be selected from= 22
The number to be chosen for the event in an ordered sample is 5 from 22 people= 22C5
Where 22 Is the total number of possibilities and 5 is the no of selection
22C5= 22!/(22-5)!5!
= 22!/17!5!
= 22*21*20*19*18*17!/17!*5!
22*21*20*19*18/5*4*3*2*1
=22*7*19*9
=26334
If there is exactly 5 young people in the population, the probability will be 5/22C5
=5/26334
=0.0001899.
Answer:
7.8%
Step-by-step explanation:
Answer:
D=-64
Step-by-step explanation:
-10(d+56)=80
d+56=8
d=8-56
d=-64
Answer:
x ≤ 4.9
Step-by-step explanation:
5x +1/2≤ 25
Multiply each side by 2 to get rid of the fractions
2(5x +1/2)≤ 25*2
10x +1 ≤ 50
Subtract 1 from each side
10x+1-1 ≤50-1
10x ≤ 49
Divide by 10 on each side
10x/10 ≤ 49/10
x ≤ 4.9