Consider the probability distribution shown for the random variable x found below. Complete part a through...
The random variable x has the following discrete probability distribution. Complete parts a through f Question Help O The random variable x has the following discrete probability distribution. Complete parts a through f. P(x) 622 8 0.4 0.2 9 0.2 0.1 a. List the values x may assume. DODO. (Use ascending order.) b. What value of x is most probable? c. Display the probability distribution as a graph. Choose the correct graph below. OA. OB Oc. OD 071 LUH >...
A frequency distribution is shown below. Complete parts (a) through (e) The number of dogs per household in a small towr Dogs Households 1427 42 5 26 11 164 41 (a) Use the frequency distribution to construct a probability distribution. P(x) Round to the nearest thousandth as needed.) (b) Find the mean of the probability distribution. (Round to the nearest tenth as needed.) (c) Find the variance of the probability distribution. ?2-O (Round to the nearest tenth as needed.) (d)...
The probability distribution for the random variable X is given below. X 0 P(x) 0.05 0.17 0.26 2 3 4 0.24 0.28 What is the standard deviation to the nearest hundredth) for the random variable? O A 1.17 OB. 12 O C. 1.3 OD. 124 O E. None of the above Click to select your answer Type here to search o i E
Find the standard deviation of the random variable X. x 20 47 26 27 P(Xequals=x) 0.4 0.2 0.2 0.2 σ = (Round the final answer to the nearest tenth as needed. Round all intermediate values to the nearest thousandth as needed.)
Find the standard deviation of the random variable X. (Round the final answer to the nearest tenth as needed. Round all intermediate values to the nearest thousandth as needed.) X 46 15 38 44 P(X=x) 0.4 0.3 0.2 0.1
. Then use the sampling Consider the population described by the probability distribution shown in the table. The random variable x is observed twice. Find E(X) distribution of x to find the expected value of x BI! Click the icon to view the table. i More Info Find E(X) Etx) (Round to the nearest tenth as needed.) Find the expected value of using the sampling distribution of E(X)- (Round to the nearest tenth as needed.) 0.2 2.5 0.12 3 0.19...
. Then use the sampling Consider the population described by the probability distribution shown in the table. The random variable x is observed twice. Find E(X) distribution of x to find the expected value of x BI! Click the icon to view the table. i More Info Find E(X) Etx) (Round to the nearest tenth as needed.) Find the expected value of using the sampling distribution of E(X)- (Round to the nearest tenth as needed.) 0.2 2.5 0.12 3 0.19...
A frequency distribution is shown below. Complete parts (a) and (b). The number of televisions per household in a small town Televisions 0 2 3 Households 28 449 727 1403 1 (a) Use the frequency distribution to construct a probability distribution. P(x) х 0 1 2 3 (Round to three decimal places as needed.) (D) Grapn the probability distribution using a histogram. Choose the correct grapn or the distribution below. B. APEX) 06- 0.5- OA APIX) 0.6- 0.5- 0.4 0.3...
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. P(X>2)P(X>2), n=5n=5, p=0.4 success. Find the following probability, given the number of trials and the probability of obtaininga success. Round your answer to four decimal places. PX > 2), n 5, p = 0.4 Tables Keypad Answer How to enter...
Find the standard deviation of the random variable X. 23 46 49 2 P(X-x) 0.3 0.2 0.2 0.3 Round the final answer to the nearest tenth as needed. Round all intermediate values to the nearest thousandth as needed.)