If P(X) denotes a probability distribution, then for all values of x.
Here,
, so this probability distribution is not valid.
QUESTION 20 The probability distribution below is not valid. Explain why. -2 2 1/6 5 4/6...
QUESTION 19 The probability distribution below is not valid. Explain why 1 0.52 2 0.38 3 0.30
1. (3 points) Explain why each of the following is not a valid discrete probability distribution. P(x) 0.35 0.10 T-Mobile 0.25 MetroPCS 0.15 0.05 0.10 a. Verizon Sprint Cricket Other b.X Px 0 0.2 2 0.3 0.4 6 0.5 -2 0.1 0 0.2 2 0.2 4 0.2 8 0.3
Explain why this is or is not a probability distribution × 1 2 3 4 P(×) 0.4 0.3 0.3 0.0 Is this not a probability distribution since the probability add to 1.4, not 1 Explain why this is or is not a probability distribution X13 P(x) 0.4 0.3 0.3 0.0 No this is not a probability distribution sine the probability add to 1.4, not 1 Part 2 A USA Snapshot titled Are you getting a summer job? Interview...
The distribution described by the table below a valid probability distribution. (b) x 0 1 2 P(x) 0.24 0.63 0.23 TrueFalse.
Help Incorrect Question 5 0/ 1 pts Shown below is a discrete probability distribution for the IRR for all outcomes of a potential project. The company uses an MARR of 16%, what is probability that the project will meet or exceed the company's MARR? Distribution of IRR 22% 20% 18% 16% 14% 12% 10% 8% 6% 2% 0% 8% 9N10% 11% 12% 13% 14% 15% 17% 39% 20% 21% 22% 23 17% . 20% 50% 70%
1. Given the discrete probability distribution for x = 1, 2, 3, 4, or 5. X P(x) 1 5/15 N 4/15 3 3/15 4 2/15 5 1/15 Find the standard deviation of a discrete probability distribution.
X 1 2 3 4 5 6 P(x) .05 .20 .25 .25 .20 .05 What is the mean of the random variable? What is the standard deviation of the random variable? Calculate Pr( 2 < X 5) Why would this be considered a valid probability distribution?
Determine whether the distribution is a probability distribution. x 0 1 2 3 4 5 P(x) three fourths one fifth StartFraction 1 Over 50 EndFraction one half StartFraction 1 Over 100 EndFraction one tenth Is the probability distribution a discrete distribution? Why? Choose the correct answer below.
QUESTION 6 Why is the following not a probability distribution? co to ox P(x) 0.11 0.19 0.43 0.17 0.25 The values of x are negative 4 The probability values are not increasing The probability values do not add to 1 The probability values are not discrete 1) The following questions will be about the contingency table below. The table identifies a group of children by one of the four hair colors, and by type of hair. Blonde Black Red 1...
The probability density function for a random variable X with a discrete uniform distribution over the integers 1, 2, 3, 4, 5, and 6 is f(x) = 1/6 for x = 1, 2, 3, 4, 5, 6. What is the mean of the distribution of X? The probability density function for a random variable X with a discrete uniform distribution over the integers 1, 2, 3, 4, 5, and 6 is f(x) = 1/6 for x = 1, 2, 3, 4, 5,...