Thanks so much, for I, I checked the formula for binomcdf and it makes sense now! I also understand IV and II now! Thanks :)
(I will ask my teacher about III)
Homework Statement
I. A hundred seeds are planted in ten rows of ten seeds per row. Assuming that each seed independently germinates with probability 1/2, find the probability that the row with the maximum number of germination contains at least 8 seedlings.
II. Consider a randomly chosen n...
erm...I'm quite dumb...I still don't get it.
Sum of series of real+imaginary would then be: (1-(a(e^{iθ}))^{n})/(1-(a(e^{iθ})))?
Uh...
Well, I'm really confused. I know how to get to this part, but I never know how I could remove the imaginary part.
The real part of the series is
=...
We didn't learn Euler's Theorem but we learned sum for a finite geometric series.
Sorry, but I still don't think I get it. I'm sorry for not stating it, but I did attempt to use geometric series, but I don't know what is r. I think r should be something like a (cos 2θ/cosθ) but (cos 3θ/cos...
Let x be length, y be height:
Low Fence = y.
2*8*x = Cost of Horizontal Fence
2*8*y + 4*y = Cost of Vertical Fence + Cost of Low Fence
16x + 20y = 2400
Thus, y = (2400-16x)/20
You might need calculus from here onward. Did you learn calculus?
1. The problem statement
Find the sum of the series:
a. 1 + a cos θ + a^{2} cos 2θ + a^{3} cos 3θ + ... + a^{n} cos nθ
Apparently, the answer is:
\frac{a^{n+1}(a cos nθ - cos(n+1)θ) - a cos θ + 1)}{a^{2} - 2a cos θ + 1}
2. The attempt at a solution
= The real part of z^{0} +...