Please help with Paragraph proofs
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Mathematics, 21.06.2019 18:40
Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form: science fiction books to history books 2. write the ratios as fractions: dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.
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Mathematics, 21.06.2019 23:30
What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit
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Mathematics, 21.06.2019 23:30
Aprisoner is trapped in a cell containing three doors. the first door leads to a tunnel that returns him to his cell after two days of travel. the second leads to a tunnel that returns him to his cell after three days of travel. the third door leads immediately to freedom. (a) assuming that the prisoner will always select doors 1, 2 and 3 with probabili- ties 0.5,0.3,0.2 (respectively), what is the expected number of days until he reaches freedom? (b) assuming that the prisoner is always equally likely to choose among those doors that he has not used, what is the expected number of days until he reaches freedom? (in this version, if the prisoner initially tries door 1, for example, then when he returns to the cell, he will now select only from doors 2 and 3.) (c) for parts (a) and (b), find the variance of the number of days until the prisoner reaches freedom. hint for part (b): define ni to be the number of additional days the prisoner spends after initially choosing door i and returning to his cell.
Answers: 1
Mathematics, 16.11.2020 04:10
Spanish, 16.11.2020 04:10
Social Studies, 16.11.2020 04:10
Mathematics, 16.11.2020 04:10
Biology, 16.11.2020 04:10
Mathematics, 16.11.2020 04:10
English, 16.11.2020 04:10
English, 16.11.2020 04:10
History, 16.11.2020 04:10
Mathematics, 16.11.2020 04:10
Mathematics, 16.11.2020 04:10
Mathematics, 16.11.2020 04:10
Mathematics, 16.11.2020 04:10