Mathematics, 05.02.2020 01:53 jessicaaaamartin
The marks in an examination for a physics paper have normal distribution with mean μ and variance σ2 . 10% of the students obtain more than 75 marks and 20% of them obtained less than 40 marks. find the value of μ and σ
Answers: 1
Mathematics, 21.06.2019 21:30
Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth
Answers: 1
Mathematics, 21.06.2019 22:00
What is the solution to the equation e3x=12? round your answer to the nearest hundredth
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The marks in an examination for a physics paper have normal distribution with mean μ and variance σ2...
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