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 β 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 19:00, issaaamiaaa15
You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?
Answers: 1
Mathematics, 21.06.2019 20:30, afitzgerald
Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.
Answers: 3
A group of friends debated whether more men use smartphones than women. They consulted a research st...
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