The table below shows the probability distribution of a random variable Y. Y P(Y) 11 0.7 12 0.1 13 0.1 14 0.1 What is the variance of Y? Write your answer as a decimal. Do not round.
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- 4.43 Consider the probability distribution for the random vari- able x shown here: 2 .4 10 .2 1 4 P(x) 2ols A census collected data on everyone that lived in a certain small town. The random variable X is the number of girls born to a randomly selected couple in that town who has four children. Its probability distribution is shown below. Complete parts a through c. 0 0 1 0.2447 2 0.3208 3 0.2415 4 0.1073 P(X=x) 0.0857 ... a. Find and interpret the mean of the random variable. =(Round to four decimal places as needed.) View an example Help me solve this Get more help. F5 A MacBook Air F6 F7 DII Clear all FB F9 I Check answer F10 F11Compute the variance of the probability distribution in the table below. Outcome Probability 65 0.3 66 0.1 67 0.1 68 0.5 Find the variance. σ2=nothing (Type an integer or a decimal.)
- Find the probability of the indicated event if P(E) = 0.20 and P(F) = 0.40. Find P(E or F) if P(E and F) = 0.20. P(E or F) = (Simplify your answer.)A Moving to another question will save this response. Question 4 Compute the mean and variance of the following probability distribution. (Round your answers to 2 decimal places.) P(X) 0.10 0.20 0.35 0.35 4 9 14 19 a. The mean? b.The variance? A Moving to another question will save this response. MacBook AirThe table below is to be valid probability distribution for a data set. x P(x) 3 0.07 4 0.38 5 0.44 6 0.07 12 What is the missing probability to complete the probability distribution? P(12) =
- Luz has noticed the probability distribution for X = number of cars in line to use the drive-thru ATM when she visits her bank is shown below. X 0 1 2 3 4 P(X) 0.10 0.10 0.40 0.30 0.10 What is the probability mean number of cars in line for the drive-thru ATM when Luz visits her bank?Find the mean, variance, and standard deviation of the random variable having the probability distribution given in the following table. (Round your answers to four decimal places.) Random variable, x -8 -7 -6 -5 -4 P(X = x) 0.14 0.16 0.42 0.12 0.16 mean variance standard deviationThe probability distribution below shows the number of kittens in a litter?
- 34% of likely U.S. voters think that the federal government should get more involved in fighting local crime. You randomly select six likely U.S. voters and ask them whether they think that the federal government should get more involved in fighting local crime. The random variable represents the number of likely U.S. voters who think that the federal government should get more involved in fighting local crime. Find the mean of the binomial distribution. H = 2.0 (Round to the nearest tenth as needed.) Find the variance of the binomial distribution. (Round to the nearest tenth as needed.)The random variable X represents the number of cars per household in a town of 1000 households. Find the probability of randomly selecting a household that has at least one car. Please show your . Thank you.%23 The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) through (c) below. Number of Accidents P(X= x;) Daily (X) 0.28 0.31 0.17 3 0.09 0.07 0.05 4 0.03 a. Compute the mean number of accidents per day. (Type an integer or a decimal. Do not round.) More data-3_24_2022-4..xlsx 67 F e Type here to seareh