( a ) Answer : 0.001
( b ) Answer : 0.941
( c ) Answer : 0.975
( d ) Answer : 0.875
Use the T-table to find the following probabilities (enter your solutions with 3 decimal places): 3....
12 Verify that the following function is a probability mass function, and determine the requested probabilities. [Give exact answers in form of fraction.] f(x)-(5/6)(1/6)" x=0,1,2, , (a) P(X= 2) (b) P(X s 2)-.uI = i (c) P(X > 2)= (d) P(X21) = T Your answer is partially correct. Try again. Verify that the following function is a probability mass function, and determine the requested probabilities f (x)3x+3 45x 0, 1, 2,3,4 Is the function a probability mass function? Give exact...
Question 5 Use Appendix Table Ш to determine to 5 decimal places the following probabilities for the standard normal random variable Z: (a) P(Z< 1.29) = (b) P(Z < 2.8) = (c) PlZ > 1.45) = (a) PIZ> 2.15) (e) P(-2.34 < Z < 1.76) =
Question 9 Determine the following probabilities. Round your answers to 3 decimal places (e.g. 98.765). b) P(2 s X <5)- c) P(5 < X)- d) P(8 < X <12) e) Determine x such that P(X <x) 0.68 Round your answer to 3 decimal places (e.g. 98.765).
For n = 40 and π= 0.6, use the normal distribution to approximate the following probabilities a. X 20 b. X>20 c. Xs 20 d. X <20
Question 18 4 pts Find the value of to such that the P(-to < t < to) = .99 where df = 9. O 2.262 O 2.2821 O 1.833 0 3.250 < Previous Next →
Suppose that f(x) - or 0<X<8 256 Determine the following probabilities. Round your answers to 3 decimal places (e.g. 98.765) (a) P(X < 2)=7456 (b) P(X< 9) = (d) P(X > 5)- 316 (e) Determine such that P(x x)-0.90 X6.302
Problem 3. Find the exact solutions to the following recurrences and prove your solutions using induction 1, T(1) = 5 and T(n) T(n-1) + 7 for all n > 1. 2. T (1)-3 and T(n)-2T(n-1).
Use a trigonometric identity to find exactly all solutions: cos 20 = sin , 0<o<21. Enter the exact answers in increasing order. O= Edit 6 31 Edit 2 II 5a 6 Edit
T polit) Plobleln After being open for a long time, the switch shown in the circuit below closes at tO Find VRt) fort>o 10? t-0 15? 60 6? 90 9? 9? 13 V+ 20 mH 8? 2 A VR(t) for t> (3/2)e-133.33)V
2. Show that if p is differentiable and p(t) > 0, then the Wronskian W(t) of two solutions of [p(t)y'l' +q(t)y = 0 is W(t) = po where c is a constant.