Assume that X is normally distributed with E(X)=1 and Var(X)=2. Evaluate Pr(X>2.1) and round to three decimal places
Assume that X is normally distributed with E(X)=1 and Var(X)=2. Evaluate Pr(X>2.1) and round to three...
1-Determine the third quartile Q3 for the binomial distribution: X~Bi(n=20,p=0.25). 2-Poisson distribution: X~Poisson(lambda=4.5). Evaluate Pr(X<11) and round to three decimal places. 3-Assume that X is normally distributed with E(X)=1 and Var(X)=2. Determine the third quartile Q3 and round to three decimal places.
1- Determine the first quartile Q1 for the binomial distribution: X~Bi(n=20,p=0.25) 2- Poisson distribution: X~Poisson(lambda=6). Evaluate Pr(X<9) and round to three decimal places. 3-Assume that X is normally distributed with E(X)=1 and Var(X)=2. Evaluate Pr(0<X<1) and round to three decimal places
Please use R to solve question 1. Question 1 5 pts Binomial distribution: X~Bi(n=15,p=0.3). Evaluate Pr(2<x<7) and round to three decimal places (see Lab 2). Question 2 5 pts Poisson distribution: X~Poisson(lambda=4.5). Evaluate Pr(X<11) and round to three decimal places. Question 3 5 pts Assume that X is normally distributed (X-N(0,1)). Find Pr(X=3).
What is the VaR of a portfolio with normally distributed returns at the 5% VaR?Assume the expected return is 15% and the variance is 0.04 -8.68% 14.92% 6.78% -17.90% -12.26%
Sample 2 11 n X Assume that both populations are normally distributed a) Test whether , at the = 0.01 level of significance for the given sample data b) Construct a 50% confidence interval about 4-12 Sample 1 19 5078 21 11.9 Click the icon to view the Student distribution table a) Perform a hypothesis test. Determine the null and alternative hypotheses O A HOM > B. Hy: H2 OB HM, H, H2 + C Họ P = H1 H1...
Assume X is normally distributed with a mean of 9 and a standard deviation of 2. Determine the value for x that solves each of the following. Round the answers to 2 decimal places. a) P(X > x) = 0.5. b) P(X > x) = 0.95. x= c) P(x < X < 9) = 0.2. x = i d) P(-x< X - 9 < x) = 0.95. x= i e) P(-x< X - 9 < x) = 0.99. x= i
Assume X is normally distributed with a mean of 16 and a standard deviation of 5.5. Determine the value for x that solves each of the following. Round the answers to 2 decimal places.a) P(X>x)=0.5
Evaluate E = for t* = - 1.402, $x = 2.774, and n=8. (Round to three decimal places as needed.)
Assume the random variable x is normally distributed with mean y = 50 and standard deviation o=7. Find the indicated probability P(x > 40) P(x >40) - (Round to four decimal places as needed.) Assume the random variable x is normally distributed with mean = 88 and standard deviation o = 4. Find the indicated probability P(76<x<85) P(76<x<85)= (Round to four decimal places as needed.) Assume a member is selected at random from the population represented by the graph. Find...
STAT 10 Study guide for Test 2 1. Assume the random variable x is normally distributed with mean = 50 and standard deviations = 8.1. Compute the following probability. Be sure to draw a normal curve with the area corresponding to the probability shaded. Round your answers to two decimal places a. P(x > 48.5) b. P(45 <x<51) 2. There are two college entrance exams that are often taken by students, Exam 1 and Exam 2. The composite score on...