Mathematics, 20.07.2019 03:00 puremousetail
Arecent poll of 80 randomly selected californians showed that 38% ( = 0.38) believe they are doing all that they can to conserve water. the state government would like to know, within a 99% confidence level, the margin of error for this poll. (99% confidence level z*-score of 2.58) remember, the margin of error, e, can be determined using the formula e = z*. to the nearest whole percent, the margin of error for the poll is %.
Answers: 2
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
Mathematics, 21.06.2019 21:10
Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem
Answers: 3
Arecent poll of 80 randomly selected californians showed that 38% ( = 0.38) believe they are doing a...
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