Mathematics, 02.10.2019 00:00, Miccyy
A11-ounce gold chain of 24% gold was made from a melted down 4-ounce charm of 50% gold and a golden locket. what percent of the locket was pure gold? ( round to the nearest percent)
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Answers: 1
Mathematics, 21.06.2019 19:20, girlydiy17
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 21:40, salinasroel22
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
A11-ounce gold chain of 24% gold was made from a melted down 4-ounce charm of 50% gold and a golden...
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