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
She is incorrect, her statement comes with no solution.
I would say the last one of shopping at Greggslist of grandparents for 3
,yeah the fourth answer to the top to bottom or the first from bottom to top
1
2
3
4< Online shopping at Greggslist is about 3 <Answer
Hope this helps!
@SamSamySamantha
Answer:
yo soy inteligente
Step-by-step explanation:
pero no me se la respuesta de la perunta