Mathematics, 13.12.2019 02:31 sativataurus
An investment website can tell what devices are used to access the site. the site managers wonder whether they should enhance the facilities for trading via "smart phones," so they want to estimate the proportion of users who access the site that way (even if they also use their computers sometimes). they draw a random sample of 300 investors from their customers. suppose that the true proportion of smart phone users is 41%. complete parts a through c below. what would you expect the shape of the sampling distribution for the sample proportion to be?
Answers: 2
Mathematics, 21.06.2019 17:00
Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?
Answers: 1
Mathematics, 21.06.2019 21:10
The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25
Answers: 2
Mathematics, 22.06.2019 02:10
You use technology ans find a sum of 6.712e-8. write this sum in standard form
Answers: 1
An investment website can tell what devices are used to access the site. the site managers wonder wh...
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