Answer:
The probability that their mean life will be longer than 13 years = .9943 or 99.43%
Step-by-step explanation:
Given -
Mean 
= 15 years
Standard deviation 
= 3.7 years
Sample size ( n ) =22
Let 
be the mean life of manufacturing items
the probability that their mean life will be longer than 13 years =
= 
= 
= 
Using Z table
= 1 - .0057
= .9943
Answer:
Vector is 32 years old.
Step-by-step explanation:
As it is given that Mags is 34 years old and he is 2 years older than Vector.
Since Mags is 2 years older than Vector, Vector's age is 2 year less than Mags.
therefore we subtract 2 years from the age of Mags.
= 34 - 2 = 32 years
So Vector is 32 years old.
Answer:
the value of (2/3*0)-3 is -3
Step-by-step explanation:
The answer is x=1.3
You are welcome
Answer = 12
3 minus 8 = -6
12 minus 8 = 4 SO...
20 minus 8 = 12
