subject
Mathematics, 30.11.2019 06:31 deibilopez4

Acertain component is critical to the operation of an electrical system and must be replaced immedi- ately upon failure. if the mean lifetime of this type of component is 100 hours and its standard devi- ation is 30 hours, how many of these components must be in stock so that the probability that the system is in continual operation for the next 2000 hours is at least .95?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?
Answers: 1
question
Mathematics, 22.06.2019 00:50
Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69
Answers: 2
question
Mathematics, 22.06.2019 02:40
Ineed the answers for this one as well!
Answers: 1
question
Mathematics, 22.06.2019 04:00
Round each decimal to the nearest hundredth
Answers: 2
You know the right answer?
Acertain component is critical to the operation of an electrical system and must be replaced immedi-...
Questions