HELP FAST!! What is the volume of a right rectangular prism with a base that measures 4 in by 6 in. and a height of 7 in? A) 17
in.3. B) 51 in.3. C) 84 in.3. D) 168 in.3.
2 answers:
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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