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1. ### Not sure what to do to show my work for this probability question?

Use the binomial probability formula. P(X = k) = C(n, k) * p^k * q^(n - k) n : number of trials (35) k : number...

1 Answers · Science & Mathematics · 04/02/2019

2. ### Find Foci and vertices of the ellipse I)9(x-3)^2+5(y+5)^2=45 2)9(x+4)^2+13(y-1)^2=117?

...and F(h+c, k) ii/ if b>a --->c = √( b^2 - a^2) then F(h , k-c) and F(h , k+c)

1 Answers · Science & Mathematics · 27/11/2018

3. ### If three doctors cure seven patients in five minutes, how long would it take for four doctors to cure three patients?

...it take 4 engineers to build 3 sheds". C = kDT k = C/(DT) = 7/(3*5) = 7/15 (Cures per Doctor per Minute...

4 Answers · Science & Mathematics · 27/10/2018

4. ### What is the probability of of 32 coins landing on heads if 100 coins are flipped?

...exactly 32 heads. Use the binomial probability formula: P(X = k) = C(n,k) * p^k * q^(n-k) n : number of trials (100) k : number...

4 Answers · Science & Mathematics · 07/10/2018

5. ### What is the binomial probability formula?

... of an event that has probability p of success. P(X = k) = C(n,k) * p^k * q^(n-k) n : number of trials k : number of...

2 Answers · Science & Mathematics · 05/10/2018

6. ### Suppose 1 ≤ k ≤ n − 1 and gcd(k, n) = 1. Prove that gcd(n − k, n) = 1.?

...q is a positive integer and p < q) Therefore n - (n-k) = c(q-p) ... q-p becomes a positive integer k = c(q-p) So c is...

1 Answers · Science & Mathematics · 26/09/2018

...that he makes 9 of 9+k shots, which is q(k) = (0.7^9)(0.3^k) C(9+k,9) Then P(X=10+k) = .7q(k). We have to do it this...

1 Answers · Science & Mathematics · 16/07/2018

8. ### Calculus 2 homework?

...^(-k/m t) v = -mg/k + Ce^(-k/m t) At time t=0, v=0: 0 = -mg/k + C C = mg/k v = mg/k (-1 + e^(-k/m t)) mg = 180 lb, g = 32.2 ft/s²...

1 Answers · Science & Mathematics · 28/06/2018

9. ### Conditional Probability?

...those probabilities. We use the binomial probability: P(X=k) = C(n,k) * p^k * q^(n-k) n : number of total fuses tested (3...

1 Answers · Science & Mathematics · 11/03/2018

10. ### Genuine Genius Good Math Question?

...ln|2x - 1|] + K; (1/16)*ln|2x - 1| + ((x^3)/6) + ((x^2)/8) + (x/8) - 11/96 + K; C = K - (11/96); ((x^3)/6) + ((x^2)/8) + (x/8) + (1/16)*ln|2x - 1| + C

1 Answers · Science & Mathematics · 23/02/2018