Mathematics, 18.12.2020 01:00 raweber
Anna and Barbara are two friends who love to bowl against each other. Both bowlers’ scores are approximately Normally distributed. Anna has a mean score of 184 points, with a standard deviation of 15 points, while Barbara has a mean score of 191 points, with a standard deviation of 18 points. If the higher score wins, and they bowl independently of each other, what is the probability that Anna will beat Barbara in their next match?
A) 0.0218
B) 0.383
C) 0.416
D) 0.495
E) 0.613
Answers: 2
Mathematics, 21.06.2019 14:30
In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.
Answers: 1
Mathematics, 21.06.2019 17:30
Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?
Answers: 2
Mathematics, 21.06.2019 18:00
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
Answers: 1
Mathematics, 21.06.2019 23:40
Agrid shows the positions of a subway stop and your house. the subway stop is located at (-5,2) and your house is located at (-9,9). what is the distance, to the nearest unit, between your house and the subway stop?
Answers: 1
Anna and Barbara are two friends who love to bowl against each other. Both bowlers’ scores are appro...
Mathematics, 24.10.2020 03:30
History, 24.10.2020 03:30
Physics, 24.10.2020 03:30
History, 24.10.2020 03:30
English, 24.10.2020 03:30
History, 24.10.2020 03:30
Mathematics, 24.10.2020 03:30
Mathematics, 24.10.2020 03:30
Mathematics, 24.10.2020 03:30
English, 24.10.2020 03:30
History, 24.10.2020 03:30
Social Studies, 24.10.2020 03:30
Chemistry, 24.10.2020 03:30