(b) Determine e so that п п c£[(x; - X;)² i=l j=1 is an unbiased estimator of o². s2 ogunl to

Q: P(z>2) =?

A: To find the​ probability that corresponds to the z-score 2: Look up for 2.00 insect the…

Q: 1 Find Vf if f = 2 /x²+y² +z?

A:

Q: 1 of 2 0.005 0.0025 0.025 0.001 -/1 IND O

A:

Q: = .7 and p, = .6. Test Ho: (P, – P2) =0 against Ho: (P, - P2) >0 using. .05 a =

A: Hypothesis testing about the difference between two population proportions is otherwise called…

Q: P(z<2.25)=

A: Given Information: To find out Pz&lt;2.25

Q: 1.4 For which values of a €R is the function ax? f(r + iy) = (a²r - ary) +i + ay ) 2 tire funetion

A:

Q: Let f(x)= 4x-1, h(x)= -x+4. Find (fo h)(-2). (foh)(-2) =

A:

Q: 4 Compute f(g(x)) where f(x) =x* -x and g(x) =x²-11. dx The answer is

A:

Q: (5)Find x if. i. e* = 3, ii. Inx = 2 iv. 32-x = 27, v. 8x+1 32. %3D

A:

Q: P(x) = 1. Let x! and let H=10, Find P(9)

A: To find: P(9)

Q: = Suppose that P(A | B) = 0.76, P(A) 98.765). 0.47, and P(B) = 0.21. Determine P(BIA). Round your…

A: We have given that,  P(A|B) = 0.76, P(A) = 0.47 and P(B) = 0.21 Then,  We will find P(B|A) = ?

Q: Q2. P(A) = 0.42, P(B|A) = 0.66 and P(B|A’) = 0.25. Find the following – P(A’), P(B’|A), P(B’|A’),…

A: We have given information, P(A)=0.42 PB|A=0.66 P(B|A')=0.25

Q: Suppose P(E) = 0.284, P(F) = 0.222, and P(F ∩ E) = 0.129. What is P(F | E)? (Enter answer as a…

A: According to the given information in this question, we are going to find the value of P(F|E) by the…

Q: If the P(A)=0.4 ,P(B)=0.2,P(A | B)= UB)-0,5 Than P(B/A) is :0 :0 C NIO

A: Option D is the answer.

Q: P(1.15 < Z < 2.77) =

A: X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: The mean function will be O Bo + B₁X + e O Non of the other answers O E(YX) Bo + B₁ X = O E(Y|X) =…

A: It is given as the simple linear regression model Y = β0 + β1X + e,  e ~iid N( 0, σ2 ),  i = 1, 2, .…

Q: The values for P(A₁B) and P(A₂B) were found to be 0.20 and 0.02, respectively. Use these values to…

A: The values for P(A1nB) and P(A2nB) were found to be 0.20 and 0.02 P(A1nB) = 0.20 P(A2nB) = 0.02 Find…

Q: Suppose that 1000 customers are surveyed and 850 are satisfied or very satisfied with a…

A: Given,n=1000x=850sample proportion(p^)=xnsample proportion(p^)=8501000=0.85H0:P=0.9H1:P≠0.9α=0.095

Q: P(-1.45 < Z < +1.45) =?

A: Draw the normal curve that represents between z=-1.45 &amp; z=+1.45.

Q: 1 b) For any data set, approximately 95% of the observations fall in the interval (T − 2s, T+2s).…

A:

Q: Evaluate I = | J=(1+e-x)²

A:

Q: If P(A)=0.508, What is P(A)? Where A' is the complement of A.

A: If P(A) is probability of occurrence of event A Than P(A') is the probability of not occurrence of…

Q: Let P(A) = 0.4 "and " P(AU B) = 0.6. For what value of P(B) are A "and " B are independent?

A:

Q: H.W.4: Find f(3) (4) if f«) = /x

A: Given,            fx=xTo find : Determine f34.

Q: For discrete random variables, one simple procedürê iš tõ list the probabilities of all pos- sible…

A: A probability distribution depicts the expected outcomes of possible values for a given…

Q: Suppose X- N(H, 36 ) and P( X > 6 ) = 0.13. Determine the value of u. (Give your answer to 4 decimal…

A:

Q: P(A | B) = .3, P(B) = .6, P(A | B') = .1. Find P(B | A).

A: Using the conditional probability P(A|B) and its formula we get:

Q: The number of visits to a website is known to have a Poisson distribution with a mean of 7 visits…

A: Given,The average no.of visits per minute is 7.