Answer:
yaah then bailey has fun with her
Step-by-step explanation:
Substitute X or Y With 0 So It Would Be 3/5(0) +1/2y = 30
1/2y=30
Divide Get Y And Do The Same For X
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:
D
Step-by-step explanation:
if you multiply 5 by 2 you get 10
if you multiply 6 by 2 you get 12
5/2 (2) =10/12
Hope this helped
:)