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1. ### Determine the value of k that makes each expression a perfect square trinomial. x^2+4+k?

...perfect square trinomial, then c = (b/2)². Since b = 4 in this example, c = k = (4/2)² = 4 Ans: k = 4

3 Answers · Science & Mathematics · 19/01/2019

2. ### Data Management: Binomial Distributions?

...*. The binomial probability formula is: P(X = k) = C(n,k) * p^k * q^(n-k) n : number of trials (10) k : number...

3 Answers · Science & Mathematics · 09/01/2019

3. ### How many different teams are possible?

. C(n,k) = n! / [ k!(n - k)! ] Number of...least four; i.e 4 or 5 or 6 “n choose k” 1st choice: choose 4 boys...will make a team of six players C(10,4)C(6,2) + C(10,5)C...

2 Answers · Science & Mathematics · 13/11/2018

4. ### Normal Distribution Question: In many situations, the normal distribution can be used to approximate the binomial distribution?

...9712834402 P(X>=60) = 1-0.97128 = approx. 0.02872 c. Give an example of a situation in which we would not be... one calculation P(exactly 25 heads ) = (n k ) p^k(1-p)^(n-k) = (25 25) (1/2)^(25)(1/2)^(0) = (1/2)^25...

2 Answers · Science & Mathematics · 13/07/2018

5. ### Consider the following function f(x)=x^2-2kx+x+1-2k. Determine the values of k that give no zeros?

...; 0 for no zeros Now, with a = 1, b = -(2k - 1) and c = 1 - 2k we have: (2k - 1)² - 4(1 - 2k) < 0 i...1)(2k + 3) < 0 Hence, -3/2 < k < 1/2 :)>

2 Answers · Science & Mathematics · 22/04/2018

... first roll. Binomial probability formula: P(X=k) = C(n,k) * p^k * q^(n-k) p = 1/6 q = 5/6 n = number of dice ...

2 Answers · Science & Mathematics · 28/03/2018

7. ### kx^2 - x^2 + 8x + k-1, solve for k so that the equation has 2 roots?

" b² - 4 a c " means 64 - 4 ( k - 1 )( k - 1 ) > 0 ===> | k - 1 | < 4 ===> - 3 < k < 5....and you should have stated that the roots need to be real and distinct

1 Answers · Science & Mathematics · 26/03/2018

...), the initial condition P(0) = 0 means C must be -M. So you have (M-P) e... the learning rates "k" are different for Bill and David...

2 Answers · Science & Mathematics · 20/02/2018

...7800−P)) dP = k dt ∫ (1/P + 1/(7800−P)) dP = ∫ k dt ln|P| − ln|7800−P| = kt + c ln|P/(7800−P)| = kt + c P/(7800−P) = Ce^(kt) t...

1 Answers · Science & Mathematics · 19/02/2018

10. ### A population P obeys the logistic model. It satisfies the equation?

...can be written more generally as : dP/dt = (d/K)*(P(d - P)) In your case, d... - d)/(Po*(P - d)) = d²*t/K P = Po*((P - d)/(Po - d))*exp...

1 Answers · Science & Mathematics · 15/02/2018