Mathematics, 17.02.2020 19:48 val6298
Suppose the average score on a national test is 600, with a standard deviation of 50. If each score is increased by 10, what are the new mean and standard deviation. a. 600, 60 b. 610, 50 c. 610, 55 d. 610, 60 e. 600, 50
Answers: 1
Mathematics, 22.06.2019 04:50
Simonne used the following steps to simplify the given expression. 12-3(-2x+4) step 1: 12+(-)+(-3)(4) step 2: 12+6x+(-12) step 3: 12+(-12)+6x step 4: 0+6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? •identity property of addition •inverse property of addition •associative property of addition •commutative property of addition
Answers: 2
Mathematics, 22.06.2019 10:10
Abox has four cards numbered , , , and melissa will toss a coin once and record the toss as heads () or tails then she will randomly pick a card from the box and record the number chosen. give the sample space describing all possible outcomes. then give all of the outcomes for the event that the coin toss is tails. use the format to mean that the coin toss is heads and the number chosen is . if there is more than one element in the set, separate them with commas. sample space: event that the coin toss is tails:
Answers: 3
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