Mathematics, 11.10.2020 02:01 evarod
A bar of metal contains 15% silver. Another bar contains 20% silver. How
many ounces of each must be taken to make a 30-oz bar containing 18%
silver?
Answers: 1
Mathematics, 21.06.2019 15:10
Which equation represents the partial sum of the geometric series?
Answers: 1
Mathematics, 21.06.2019 18:20
What is the y-intercept of the line given by the equation
Answers: 2
Mathematics, 21.06.2019 18:30
An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3
Answers: 2
Mathematics, 21.06.2019 21:40
Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0
Answers: 1
A bar of metal contains 15% silver. Another bar contains 20% silver. How
many ounces of each must b...
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