7.Given P(x) 0.18 0.52 0.3 6 -8 a. List ALL the conditions that shown above is...
6. SAT scores have a mean of 1218 and a standard deviation of 139 a. Would the score of 1590 be considered as usual or unusual? Explain. (2 pts) b. Find the minimum and maximum "usual" test scores. (2 pts) 7. Given 0.18 0.52 0.3 a. List ALL the conditions that shown above is a probability distribution. (2 pts) b. Find the expected value (or mean) of the probability distribution. (2 pts) 7. Given the probability distribution below: 0.09 0.16...
Given P(Ec ) = 0.43, P(F) = 0.52, and P(EF) = 0.18. Find P( E | Fc ). a) 0.8125 b) 0.7500 c) 0.5342 d) 0.9069 e) 0.3461 f) None of the above.
Consider the following data: x 5 6 7 8 9 P(X=x)P(X=x) 0.3 0.1 0.1 0.3 0.2 Copy Data Step 1 of 5 : Find the expected value E(X). Round your answer to one decimal place.
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
Consider the following data: x 5 6 7 8 9 P(X=x)P(X=x) 0.3 0.1 0.1 0.3 0.2 Copy Data Step 4 of 5 : Find the value of P(X≤9). Round your answer to one decimal place.
2) Consider a random variable with the following probability distribution: P(X = 0) = 0.1, P(X=1) =0.2, P(X=2) = 0.3, P(X=3) = 0.3, and P(X=4)= 0.1. A. Generate 400 values of this random variable with the given probability distribution using simulation. B. Compare the distribution of simulated values to the given probability distribution. Is the simulated distribution indicative of the given probability distribution? Explain why or why not. C. Compute the mean and standard deviation of the distribution of simulated...
Consider the following data: x 5 6 7 8 9 P(X=x)P(X=x) 0.3 0.1 0.1 0.3 0.2 Copy Data Step 2 of 5 : Find the variance. Round your answer to one decimal place.
Consider the following data: x 6 7 8 9 10 P(X=x) 0.1 0.3 0.1 0.1 0.4 Step 1 of 5: Find the expected value E(X). Round your answer to one decimal place. Step 2 of 5: Find the variance. Round your answer to one decimal place Step 3 of 5: Find the standard deviation. Round your answer to one decimal place Step 4 of 5: Find the value of P(X<9)P(X<9). Round your answer to one decimal place. Step 5 of...
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 =
0 P(x) 0226 Given the above probability distribution for a random variableX of an experiment: 0328 0215 0.106 Find the value of the unknownprobability p that makes the above table into a valid probability distribution. a. b. INrepresents the number of suecesses in the experiment, Dctermine the expected value of X c. Determine a value of p that makes it invalid and demonstrate why