Mathematics, 06.12.2019 20:31 kellywelly82
We are willing to regard the wood pieces prepared for the lab session as an srs of all similar pieces of douglas fir. engineers also commonly assume that characteristics of materials vary normally. suppose that the strength of pieces of wood like these follows a normal distribution with standard deviation 3000 pounds. plan: we will estimate μ by giving a 95 % confidence interval. solve: find the sample mean ¯ x
Answers: 2
Mathematics, 21.06.2019 18:00
Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).
Answers: 2
Mathematics, 21.06.2019 18:00
Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -
Answers: 1
Mathematics, 21.06.2019 21:00
The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
Answers: 1
We are willing to regard the wood pieces prepared for the lab session as an srs of all similar piece...
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