PLEASE HELP The distance in the archery event in the 2016 Olympics are normally distributed with a mean of 100 yards and a standard deviation of 15 yards.

a. What is the probability that an archer has a distance of less than 75 hours?

b. What is the probability that an archer has a distance of more than 165hours?

c. What is the probability that an archer has a distance of more than 100yard and less than 125 yards ?

d. To make the finals, the Olympics take the top 10% in the semi-final standings. What is the maximum distance an archer can shoot and still not make the finals?

e. To earn the participation trophy the Olympics hand out, they take the bottom 5% of archers., What is the distance an archer can shoot and receive a participation trophy?

step-by-step explanation:

we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

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answer: d.) the total number of protons and neutrons is 15

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