Let X be a continuous random variable with uniform distribution, and with A = 36, B = 81. What is the expected value of (0.19X-0.24)? O a. None of the answers. b. = 45.00 O c. = 11.36 O d. = 10.88
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- Let X be the random variable with the following distribution: x: 1 2 3 4 5 P(X=x): k 0.04 0.3 0.2 0.3 Find the mean four decimal placesPlease help me answer this. Thank you.Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following probability, given the number of trials and the probability of obtaining a success. Round your answer to four decimal places n= 25, P= 0.30 Find P(X= 10)
- Clear my choice on 3 Suppose a discrete random variable X takes only three values 0, 2 and 3. If P(0)=D0.5, P(2)=0.2 and P(3)=D0.3 then P(X>1) is equal to: et answered ed out of 1.00 Select one: g question O a. 0.3 Ob. 0.2 Oc. 0.5 d. 0 Next pagLet X be the random variable with the following distribution: x: -2 3 5 P(X=x): 0.3 0.2 0.5 Find the mean four decimal placesDetermine if the random variables X and Y are statistically INDEPENDENT or not; show solution.
- You are to wait at a bus stop for the bus to arrive. The bus arrives every 30 minutes, but you do not know the exact time (in minutes) it will take to arrive. Thus, you can wait any time (continuous) between 0 and 30 minutes, and you believe all wait times are equally likely. Let X be the random variable of the amount of time in minutes you will wait for the bus. a. What distribution can be used for the random variable X? b. What is the probability that you wait exactly 5 minutes? What is the probability that you wait exactly 5 or 10 minutes? c. What is the probability that you wait more than 20 minutes?Let x be a random variable with the following probability distribution X 1 3 P(x) 0.3 k 0.1 0.2 Find the expected value and the standard deviation for x. Select one: O a. 1.2 and 1.077 O b. 5.2 and 1.5 O c. 1.5 and 1.077 O d. 1.2 and 1.567 2.