Mathematics, 05.02.2021 21:30 madleneinejessup
A group of friends debated whether more men use smartphones than women. They consulted a research study of smartphone use among adults. The results of the survey indicate that of the 981 men randomly sampled, 379 use smartphones. For women, 404 of the 1,311 who were randomly sampled use smartphones. Test at the 5% level of significance. (For subscripts let 1 = men, and 2 = women.)a) state the null hypothesisb) state the alternative hypothesisc)state what your random variable P'1 − P'2 represents. d) State the distribution to use for the test. (Round your answers to four decimal places.)e) What is the test statistic?f) What is the p-value? what does that mean?g) Sketch a picture of this situation. h) Indicate the correct decision, and the reason for this decisioni) Explain how you determined which distribution to use.
Answers: 3
Mathematics, 21.06.2019 21:40, carson5238
If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units
Answers: 2
A group of friends debated whether more men use smartphones than women. They consulted a research st...
History, 01.02.2020 02:42
Mathematics, 01.02.2020 02:42
History, 01.02.2020 02:42
History, 01.02.2020 02:42
Mathematics, 01.02.2020 02:42
Mathematics, 01.02.2020 02:42