Mathematics, 31.03.2020 22:45 datands
A polling organization took a random sample of 3,000 middle school students to determine how many have a dog. Suppose that 57% of all middle school students have a dog. If the total population of middle school students is 8 million, is the 10% condition met?
Answers: 3
Mathematics, 21.06.2019 16:30
Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me
Answers: 1
Mathematics, 21.06.2019 17:30
Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.
Answers: 2
A polling organization took a random sample of 3,000 middle school students to determine how many ha...
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