x | P(x) |
0 | 0.3 |
1 | 0.15 |
2 | 0.05 |
3 | 0.5 |
Find the mean of this probability distribution. Round your answer to two decimal places.
x P(x) 0 0.3 1 0.15 2 0.05 3 0.5 Find the mean of this probability...
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
OX 1 P(x) 0.3 0.2 0.15 0.35 2 3 Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places
х 0 1 P(x) 0.15 0.05 0.25 0.55 2 3 Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places Submit Question
Consider the probability distribution shown below. x 0 1 2 P(x) 0.05 0.80 0.15 Compute the expected value of the distribution. Compute the standard deviation of the distribution. (Round your answer to four decimal places.)
A population has a probability distribution as follows. x P(x) 1 0.2 2 0.5 3 0.3 A sample of 2 is drawn and its mean, top enclose x, calculated. Find the probability top enclose x space equals space 2.5 Round off to three decimal places
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.
Consider the probability distribution shown below. x 0 1 2 P(x) 0.75 0.20 0.05 Compute the expected value of the distribution. 0.3 Compute the standard deviation of the distribution. (Round your answer to four decimal places.)
Use the probability distribution for the random variable x to answer the question. х 0 1 2 3 4 5 p(x) 0.3 0.2 0.05 0.15 0.25 0.05 Find u, 02, and o. (Round your standard deviation to two decimal places.) H = 0.2 x 02 = 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.
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...