Find the mean of this probability distribution. Round your answer to one decimal place.
Find the mean of this probability distribution. Round your answer to one decimal place. x P(x)...
X 0 لالالا P(x) 0.05 0.25 0.25 0.45 Find the mean of this probability distribution. Round your answer to one decimal place.
xP(x) 00.25 10.15 20.1 30.5 Find the mean of this probability distribution. Round your answer to one decimal place.
Find the standard deviation of the following data. Round your answer to one decimal place. x012345P(X=x)0.20.10.10.20.20.2
Find the standard deviation of the following data. Round your answer to one decimal place. x 6 5-4321 P(X=x) | 0.3 | 0.1 | 0.2 | 0.1 | 0.1 | 0.2
3. Find the mean (p). (Round your answer to 3 decimal places) (2 points) the mean=8.177 6 7 8 9 10 P(x) 0.236 0.063 0.214 0.262 0.225 4. Find the standard deviation (C) (Round your answer to 4 decimal places.) (3 points) the standard deviation=1.462 Suppose that samples of 100 are generated from the probability distribution and the mean of each sample is recorded. (2 points) 5. Find the mean of the sample means. (3 points) 6. Find the standard...
X 0 P(x) 0.05 0.15 0.3 1 2 3 0.5 Find the mean of this probability distribution. Round your answer to one decimal place. Question Help: Video Message instructor Submit Question
17. Consider the followin probability distribution listed below: 3 0.3 Find the mean of this probability distribution. Round to one decimal place, and place your answer below. 18. For a standard normal distribution (mean is 0 and standard deviation is 1), find P(-0.65 <1.12). Round to 4 decimal places, and list your answer below. You are conducting a study to see if the proportion of voters who prefer Candidate A is higher than 0.36 (a two-tailed test). The test statistic...
Calculate the standard deviation σ of X for the probability distribution. (Round your answer to two decimal places.) σ = x −20 −10 0 10 20 30 P(X = x) 0.1 0.2 0.4 0.1 0 0.2
Three tables listed below show random variables and their probabilities. However, only one of these is actually a probability distribution. ABCxP(x)xP(x)xP(x)25 0.6 25 0.6 25 0.6 50 0.1 50 0.1 50 0.1 75 0.1 75 0.1 75 0.1 100 0.4 100 0.2 100 0.6 a. Which of the above tables is a probability distribution? (Click to select) B A C b. Using the correct probability distribution, find the probability that x is: (Round the final answers to 1 decimal place.) 1. Exactly 50 = 2. No more than 50 = 3. More than 25 = c. Compute the mean, variance, and standard deviation of this distribution. (Round the final answers to 2 decimal places.) 1. Mean µ 2. Variance σ2 3. Standard deviation σ
Find the mean and standard deviation of the given probability distribution. Round your answers to 2 places after the decimal point, if necessary. x P (x) 0 0.05 3 0.27 4 0.3 6 0.2 7 0.18 Mean = Standard deviation =