Mathematics, 26.04.2021 22:30 amanda289
A political science professor would like to estimate the difference in the proportion of young voters and
older voters in his state who believe that Congress has the same priorities as them. He wants to take a
sample of young voters and a sample of older voters to construct a two-sample z interval.
Which of the following are conditions for this type of interval?
Choose all answers that apply:
А)
The voters within each sample are independent, and the samples are independent of each
other.
B
The study includes an equal number of young and older voters.
С
Both samples include at least 30 voters.
Answers: 3
Mathematics, 21.06.2019 15:50, kendallreed39
3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?
Answers: 1
Mathematics, 21.06.2019 18:50, kristaaune2374
The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3
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