The probability of getting 50 shots being greater than 0.99.
It's binomial distribution and the idea is to find the value of n. However the only method I can work out at this point is to make all the pr(X<50) to get the probability less than 0.01... if that makes sense. However this method...
So I have this probability question which I originally solved quite easily. What's frustrating is that I solved it in just a few neat steps, and then forgot how to do it. Now nobody can tell me how to solve it without trial and error.
A girl has a 0.7 chance of getting a goal for every shot...
1. For graph like -3cos(1/2(theta- 3π/2) + 2 what's the best method for finding the relevant intercepts and coordinates of turning points and such? domain being equal to [-π, π]. Also if it were different domain would that only affect the end points in my calculation?
2. For...
Thanks HallsofIvy! great and informative reply. I realized that the book was trying to get me to recognize the symmetrical properties of the circular function which as you said made things harder then they needed to be... so I decided to skip to the relevant graphing stuff.
I'm wondering...
I'm stuck at the very beginning of circular functions because I don't understand what I'm doing. If someone could explain these questions to me I might be able to move on the the relevant stuff finally :redface:
1. What does it mean to evaluate something like tan(-2.5)? as in the number in...
1. Fluorine compounds are added to water, the concentration being 0.90 ppm.
a. What amount of fluoride present 1.0g of water?
Solution- (just need to know what the number mean)
Divided 0.90 pm by 1,000,000, which I assume is the grams of substance per kilogram?
Then divided that...
I get stuck with all of these hence why I chose to put them up on this site as a last resort.
For q.1 I don't understand what to do with absolute values
Studying for exams and these few questions are stopping me from proceeding, got to learn it all by... (looks at date)... tomorrow or I'm basically screwed.
1. State domain and range of f(x) 2-|x-1|
2. Let g;[b,2] -> R where g(x) = 1 - x^2 , if b is the smallest real value of such that g...
My biggest handicap in chemistry at this moment is learning to convert written chemical reactions to an equation.
Like here are some examples of questions I can't do-
Potassium nitrate is heated to produce oxygen.
I know that KNO3 --> O2 and that's about it
Calcium is placed in...