05, Let x P(x) 0.03 0.19 0.43 0.22 0.13 Mean-4.23 the spread of its probability distribution.
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...
Consider the following discrete probability distribution. x 15 22 34 40 P(X = x) 0.13 0.49 0.24 0.14 a. Is this a valid probability distribution? Yes, because the probabilities add up to 1. No, because the gaps between x values vary. b. What is the probability that the random variable X is less than 38? (Round your answer to 2 decimal places.) c. What is the probability that the random variable X is between 10 and 28? (Round your answer...
Binomials & normals. Let X Binomial(60, 0.22) and let Y = X/60 be the proportion of successes in the sample. What is the normal distribution that approximates the distribution of Y? Calculate (approximately) the probability P(Y < 0.25) (no need to deal with continuity corrections etc). (To obtain values of "(x), the CDF of the normal distribution, you can use Table 2 in the back of your book or just search online for "standard normal table". Or, if you have...
Determine whether a probability distribution is given. If a probability distribution is given, find its mean. (Round to the nearest thousandth). If a probability distribution is not given, state (not a probability distribution). (Check your spelling!) x P(x) 0 0.658 1 0.287 2 0.050 3 0.004 4 0.001
q1: Complete the following probability distribution table: x p(x) -7 0.22 -4 0.18 -1 0.15 23 0.15 32 57 0.22 Q2: The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $7 each and will sell 700 tickets. There is one $1,000 grand prize, two $300 second prizes, and eleven $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.
What is the mean and standard deviation of this probability distribution? x: 0. 1. 2. 3. 4. 5. 6. p(x): 0.10, 0.18, 0.23. 0.25. 0.14. 0.07. 0.03
I am to find the mean, variance, and standard deviation for the probability distribution. I don't even know where to start. Here is the problemx P(x)0 0.191 0.322 0.283 0.21
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 x of X P(x = x) 0 0.20 4 5 0.19 6 022 2
Find the mean of this probability distribution. Round your answer to one decimal place. x P(x) 0 0.1 1 0.1 20.05 30.75 Find the mean of this probability distribution. Round your answer to one decimal place. Preview
Fill in the P(x=x) values to give a legitimate probability distribution for the discrete random ranables x whose possible values are 1,3,4,5 & 6 P(x=x) value of x - 3 0.12 0.19 4 5 6 0.20