Mathematics, 18.12.2019 18:31, angelkiss2019
Nielsen media research wants to estimate the mean amount of time, in minutes, that full-time college students spend texting each weekday. find the sample size necessary to estimate that mean with a 15 minute margin of error. assume that a 96% confidence level is desired and that the standard deviation is estimated to be 112.2 minutes.
Answers: 2
Mathematics, 21.06.2019 17:00, hsernaykaw42
Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)
Answers: 1
Mathematics, 21.06.2019 18:30, amylumey2005
What can each term of the equation be multiplied by to eliminate the fractions before solving? x โ + 2x = + x 2 6 10 12
Answers: 2
Nielsen media research wants to estimate the mean amount of time, in minutes, that full-time college...
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