What is the value of x? x = What is the perimeter of ΔABC?
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
given that certain tubes manufactured by a company have a mean lifetime of 800 hours and a standard deviation of 60 hours.
Sample size n =16
Std error of sample mean =
x bar follows N(800, 15)
the probability that a random sample of 16 tubes taken from the group will have a mean lifetime
(a) between 790 and 810 hours,
=
(b) less than 785 hours
, (c) more than 820 hours,
(d) between 770 and 830 hours
=
A graphing calculator shows solutions to be
.. x = {π/4, 2.034, 5π/4, 5.176}
___
Asked and answered elsewhere.
brainly.com/question/8691400
.. x = {π/4, 2.034, 5π/4, 5.176}
___
Asked and answered elsewhere.
brainly.com/question/8691400