Question

Consider the following discrete probability distribution. x −30 −5 20 35 P(X = x) 0.53 0.17...

Consider the following discrete probability distribution. x −30 −5 20 35 P(X = x) 0.53 0.17 0.12

a. Complete the probability distribution. (Round your answer to 2 decimal places.)

b. What is the probability that the random variable X is negative? (Round your answer to 2 decimal places.)

c. What is the probability that the random variable X is greater than −25? (Round your answer to 2 decimal places.)

d. What is the probability that the random variable X is less than 35? (Round your answer to 2 decimal places.)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Consider the following discrete probability distribution. x −15      −5      15      20      P(X...
Consider the following discrete probability distribution. x −15      −5      15      20      P(X = x) 0.52      0.13      0.16      . Complete the probability distribution. (Round your answer to 2 decimal places.)   P(X = 15)    c. What is the probability that the random variable X is positive? (Round your answer to 2 decimal places.)   Probability    d. What is the probability that the random variable X is greater than −10? (Round your answer to 2...
The following table lists the probability distribution of a discrete random variable x: x = 0,1,2,3,4,5,6,7...
The following table lists the probability distribution of a discrete random variable x: x = 0,1,2,3,4,5,6,7 P(x) = 0.04, 0.11, 0.18, 0.22, 0.12, 0.21, 0.09, 0.03 a. The probability that x is less then 5: b. The probability that x is greater then 3: c. The probability that x is less than or equal ti 5: d. The probability that x is greater than or equal to 4: e. The probability that x assumes a value from 2 to 5:...
A random variable X has the following discrete probability distribution. x 12 19 22 24 27...
A random variable X has the following discrete probability distribution. x 12 19 22 24 27 32 p(x) 0.13 0.25 0.18 0.17 0.11 0.16 Calculate σ = standard deviation of X (up to 2 decimal places).
Given the following discrete probability distribution, calculate the variance of the random variable X. Round your...
Given the following discrete probability distribution, calculate the variance of the random variable X. Round your answer to 2 significant places after the decimal. x P(x) -2 0.15 3 0.43 5 0.16 6 0.26
In the following probability​ distribution, the random variable x represents the number of activities a parent...
In the following probability​ distribution, the random variable x represents the number of activities a parent of a 6th to 8th​-grade student is involved in. Complete parts​ (a) through​ (f) below. x 0 1 2 3 4 ​P(x) 0.395 0.075 0.199 0.195 0.136 ​(a) Verify that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is ___and each probability is ___ (Less than or equal to 1; Greater than or equal...
Consider the discrete probability distribution below. Mean of this discrete probability distribution is _____________. Round to...
Consider the discrete probability distribution below. Mean of this discrete probability distribution is _____________. Round to one decimal place. x P ( x ) 1 0.22 2 0.27 3 0.30 4 0.21
1. A random variable X has a normal distribution with a mean of 75 and a...
1. A random variable X has a normal distribution with a mean of 75 and a variance of 9. Calculate P(60 < X < 70.5). Round your answer to 4 decimal places. 2. A random variable X has a uniform distribution with a minimum of -50 and a maximum of -20. Calculate P(X > -25). Round your answer to 4 decimal places. 3.Which of the following statements about continuous random variables and continuous probability distributions is/are TRUE? I. The probability...
The random variable X follows a binomial distribution with n=20 and p=0.6. a) What is the...
The random variable X follows a binomial distribution with n=20 and p=0.6. a) What is the expected value of X? Your answer should be an integer. b) What is the probability X equals 10? Include 4 decimal places in your answer. c) What is the probability X is greater than 14? Include 4 decimal places in your answer. d) What is the probability that X is no more than 11? Include 4 decimal places in your answer. e) What is...
Analyze the scenario and complete the following: Complete the discrete probability distribution for the given variable....
Analyze the scenario and complete the following: Complete the discrete probability distribution for the given variable. Calculate the expected value and variance of the discrete probability distribution. The value of a ticket in a lottery, in which 2,000 tickets are sold, with 1 grand prize of $2,500, 10 first prizes of $450, 20 second prizes of $125, and 55 third prizes of $40. i. xx 0 40 125 450 2,500 P(x)P(x) Round probabilities to 4 decimal places ii. E(X)E(X) =...
Consider the following cumulative probability distribution. x 0 1 2 3 4 5 P(X ≤ x)...
Consider the following cumulative probability distribution. x 0 1 2 3 4 5 P(X ≤ x) 0.10 0.29 0.48 0.68 0.84 1 a. Calculate P(X ≤ 2). (Round your answer to 2 decimal places.) b. Calculate P(X = 2). (Round your answer to 2 decimal places.) c. Calculate P(2 ≤ X ≤ 4). (Round your answer to 2 decimal places.)