What’s the answer i’m confused on how to do both
...
Answers: 2
Mathematics, 21.06.2019 17:00
Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)
Answers: 1
Mathematics, 21.06.2019 17:10
The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable
Answers: 2
Mathematics, 21.06.2019 21:00
Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]
Answers: 1
Mathematics, 03.02.2021 19:10
History, 03.02.2021 19:10
Mathematics, 03.02.2021 19:10
Mathematics, 03.02.2021 19:10
Mathematics, 03.02.2021 19:10
Mathematics, 03.02.2021 19:10
Biology, 03.02.2021 19:10
Social Studies, 03.02.2021 19:10
Mathematics, 03.02.2021 19:10
Physics, 03.02.2021 19:10
Mathematics, 03.02.2021 19:10
Mathematics, 03.02.2021 19:10
Social Studies, 03.02.2021 19:10