Mathematics, 27.05.2020 06:58 EmTerrell2933
Average commuting times (in minutes) for people from Pleasantville, PA who drive to work are normally distributed with mean 30 minutes with a standard deviation of 6 minutes. The average commuting times (in minutes) for people in Pleasantville who bicycle to work are also normally distributed, and the meantime for cycling to work is 30 minutes with a standard deviation of 8 minutes. Which of the following situations is you least likely to come by (i. e., which is most unusual)?
There are at least two different, but equally valid ways to do this problem.
a. A driver with a 45-minute commute
b. A driver with an 8-minute commute
c. A bicyclist with a 44-minute commute
d. A bicyclist with a 6-minute commute
Answers: 2
Mathematics, 21.06.2019 17:20
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
Answers: 2
Mathematics, 21.06.2019 21:00
Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10
Answers: 2
Mathematics, 21.06.2019 22:00
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4
Answers: 1
Mathematics, 21.06.2019 22:20
Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m
Answers: 1
Average commuting times (in minutes) for people from Pleasantville, PA who drive to work are normall...
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