In the probability distribution to the right, the random variable X represents the number of marriages...
In the probability distribution to the right, the random variable X represents the number of marriages an individual aged 15 years or older has been involved in. Compute the standard deviation of the random variable X Р(x) 0.262 х 1 0.584 0.120 2 0.029 3 4 0.004 5 0.001 marriages Сх (Round to one decimal place as needed.)
In the following probability distribution, the random variable x represents the number of activities a parent of a 6 th- to 8th-grade student is involved in. Complete parts (a) through (f) below.x01234P(x)0.3670.1330.2090.1160.175(a) Verify that this is a discrete probability distribution.This is a discrete probability distribution because the sum of the probabilities is _______ and each probability is _______ (b) Graph the discrete probability distribution. Choose the correct graph below.(c) Compute and interpret the mean of the random variable x .The mean...
In the following probability distribution, the random variable x represents the number of activities a parent of a K to 5 th-grade student is involved in. Complete parts (a) through (f) below.x01234P(x)0.1670.1940.3440.1780.117(a) Verify that this is a discrete probability distribution.This is a discrete probability distribution because the sum of the probabilities is _______ and each probability is _______ (b) Graph the discrete probability distribution. Choose the correct graph below.(c) Compute and interpret the mean of the random variable x .The mean...
In the following probability distribution, the random variable represents the number of activities a part of a toth grade students involved Complete parte (a) through inbow PM) 0.4470.1310279 0.0790054 (a) Verity that this is a discrete probability distribution This is a discrete probability distribution because the sum of the probabiliosis (b) Graph the discrete probability distribution. Choose the correct grach below. and each probability between 0 and 1, indusve 05 (c) Compute and interpret the mean of the random variable...
please help with all. In the following probability distribution, the random variable x represents the number of activities a parent of a 6th-to 8th grade student is involved in. Complete parts (a) through (1) below. * 1 0 1 2 3 4 5 P(x) 0.269 0 206 0.224 0.239 0.062 (a) Verify that this is a discrete probability distribution This is a discrete probability distribution because the sum of the probabilities is and each probability is (6) Graph the discrete...
In the probability distribution to the? right, the random variable X represents the number of hits a baseball player obtained in a game over the course of a season. x P(x) 0 0.1665 1 0.3356 2 0.2873 3 0.1481 4 0.0366 5 0.0259 (1) Compute and interpret the mean of the random variable X. (2) Which of the following interpretations of the mean is? correct? A. In any number of? games, one would expect the mean number of hits per...
X Determine the required value of the missing probability to make the distribution a discrete probability distribution 3 4 5 6 P(x) 0.25 ? 0.49 0.11 P(4)-(Type an integer or a decimal.) Determine the point estimate of the population mean and margin of error for the confidence interval. Lower bound is 20, upper bound is 30. The point estimate of the population mean is The margin of error for the confidence interval is Suppose there is a 17.5% probability that...
Discrete Random Variable. The random variable x has the discrete probability distribution shown here: x -2 -1 0 1 2 p(x) 0.1 0.15 0.4 0.3 0.05 Find P(-1<=x<=1) Find P(x<2) Find the expected value (mean) of this discrete random variable. Find the variance of this discrete random variable
In the following probability distribution, the random variable represents the number of a part of a K to 5th grade student is involved in Complete parts (a) through (f) below.x01234P(x)0.2950.1050.2900.0540.248(a) that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is _______ and each probability is _______ b) Graph the discrete probability distribution. Choose the correct graph below.(c) Compute and interpret the mean of the random variable x.The mean is _______ activities.
the probability distribution function for the discrete random variable where X is equal to the number of red lights drivers typically run in year follows. x 1,2,3, p(x) 0.70, 0.12 , 0.02 , 0.16 what is the mean of this discrete random variavle?