Mathematics, 25.02.2020 21:21 maay101
The time for a professor to grade an exam is normally distributed with a mean of 16.3 minutes and a standard deviation of 4.2 minutes.
What is the probability that a randomly selected exam will require between 14 and 19 minutes to grade?
A.0.4477
B.0.3175
C.0.3804
D.0.5837
Answers: 2
Mathematics, 21.06.2019 12:40
Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.
Answers: 1
Mathematics, 21.06.2019 20:40
What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice
Answers: 3
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