For the following distribution, what is the probability, P(X > 6)? Express the answer as a decimal number (for example, 0.5, not 1/2 or 50%).
x | 3 | 4 | 5 | 6 | 7 | 8 |
P(X = x) | 0.15 | 0.20 | 0.20 | 0.25 | 0.10 | 0.10 |
For the following distribution, what is the probability, P(X > 6)? Express the answer as a decimal...
What are the expected value and standard deviation of the following probability distribution? Random Variable X Probability 1 0.05 2 0.05 3 0.10 4 0.10 5 0.15 6 0.15 7 0.25 8 0.15
Fill in the P(X = x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are 2, 3, 4, 5, and 6. Value I of x P(x = x) 2 0.16 3 4 0.17 0.29 6 0 X 6 For Subm Let X be a random variable with the following probability distribution: 1 Value x of X P(X=x) 0.25 2 0.05 3 0.15 4 0.15 5 0.10 6 0.30 Find the expectation E...
You are given the probability distribution below: x 0 1 2 3 4 p(x) 0.05 0.35 0.25 0.20 0.15 Determine the standard deviation of X. Report your answer to three decimal places.
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
Let X be a random variable with the following probability distribution: value x of X P (X= x) 40 50 60 70 80 90 0.10 0.15 0.40 0.20 0.05 0.10 Find the expectation E (X) and variance Var(X) of X. (If necessary, consult a list of formulas.) Var(x)-
29. Determine if the following table represents a discrete probability distribution, where x represents the number of pizza toppings that a customer may order. x 0 1 2 3 4 P(x) 0.15 0.10 0.25 0.25 0.25 a) No, because Ex+1 b) No, because & p(x) #1 c) Yes, because p(x) = 1 d) Yes, because x = 1 30. Use the table on #29 and find the probability that a randomly select customer will ordered at most 1 toppings a).25...
Consider the following probability distribution of the random variable X. x 2 4 6 8 10 12 P(Y = x) 0.05 0.15 0.25 A 0.05 0.25 State the value of A to two digits to the right of the decimal point.
Fifteen items or less: The number of customers in line at a supermarket express checkout counter is a random variable with the following probability distribution. 1 0.15 2 0.30 3 0.20 4 0.10 5 0.05 P(x) 0.20 Send data to Excel Part 1 of 7 (a) Find P(5). P(5) = 0 Part 2 of 7 (b) Find P(No less than 4). P(No less than 4) = Part 3 of 7 (c) Find the probability that no one is in line....
2.1 Let X be a discrete random variable with the following probability distribution Xi 0 2 4 6 7 P(X = xi) 0.15 0.2 0.1 0.25 0.3 a) find P(X = 2 given that X < 5) b) if Y = (2 - X)2 , i. Construct the probability distribution of Y. ii. Find the expected value of Y iii. Find the variance of Y
The probability distribution of a random variable X is given. -198 -195 -191 -188 -185 p(X x) 0.20 0.25 0.30 0.15 0.10 Compute the mean, variance, and standard deviation of X. (Round your answers to two decimal places.) mean variance standard deviation Need Help? Read it