24 Annemand Of The Toward Deviation Af 20 Hours That This Follows A Distiti With Greatened W Gotthew Wtorer For Your Twi 1 (31.58 KiB) Viewed 30 times
An engine manufacturer produces a batch of 2000 small engines, with mean running life of 1000 hours with a standard deviation of 200 hours. Knowing that this follows a normal distribution:What is the probability that an engine fails in the first 700 running hours?(1 mark)What is the probability that an engine fails between 900 and 1300 running hours?(2 marks)What is the probability that an engine runs for exactly 900 hours?(1 mark)Identify which of the following graphs represents the probability distribution function for hours and determine the values of A and B.Graph representing the probability density function is A
An engine manufacturer produces a batch of 2000 small engines, with mean running life of 1000 hours with a standard deviation of 200 hours. Knowing that this follows a normal distribution:
What is the probability that an engine fails in the first 700 running hours?
(1 mark)
What is the probability that an engine fails between 900 and 1300 running hours?
(2 marks)
What is the probability that an engine runs for exactly 900 hours?
(1 mark)
Identify which of the following graphs represents the probability distribution function for hours and determine the values of A and B.
Graph representing the probability density function is
A
24 Annemand of the toward deviation af 20 hours that this follows a distiti With greatened w Gotthew Wtorer for your twitter Entreprinty routine.com Chrono B A А 0 B 0
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