Mathematics, 19.12.2019 04:31 kkcheers16
According to a pew research center study, in may 2011, 38% of all american adults had a smart phone (one which the user can use to read email and surf the internet). a communications professor at a university believes this percentage is higher among community college students. she selects 366 community college students at random and finds that 160 of them have a smart phone. then in testing the hypotheses: h 0 : p = 0.38 versus h a : p > 0.38, what is the test statistic? z = . ( round your answer to two decimal places.)
Answers: 3
Mathematics, 21.06.2019 14:00
Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .
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Mathematics, 21.06.2019 14:40
The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal
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Mathematics, 22.06.2019 01:50
Me asap the graph shows the relationship between the price of frozen yogurt and the number of ounces of frozen yogurt sold at different stores and restaurants according to the line of best fit about how many ounces of frozen yogurt can someone purchase for $5? 1 cost of frozen yogurt 1.5 2 13 15.5 cost (5) no 2 4 6 8 10 12 14 16 18 20 size (oz)
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Mathematics, 22.06.2019 02:00
Deena is planting two rectangular gardens. one garden is 3.67 feet by 8.56 feet, and the other garden is 3.67 feet by 7.45 feet. which expression does not respresent the total area in square feet of the two gardens
Answers: 2
According to a pew research center study, in may 2011, 38% of all american adults had a smart phone...
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