Suppose that X is a discrete random variable which represents the number of bicycles per household...
9. A probability distribution is shown to the right. By hand, find the mean and standard deviation for the random variable, x, where x represents the number of bicycles per household in a town of 1000 households. (Use the easier formula for standard deviation!) x P(x) 0 0.125 1 0.428 2 0.256 3 0.108 4 0.083 Mean :___________ Standard Deviation :___________
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...
The number of televisions per household in a small town Televisions 0 1 2 3 Households 24 442 723 1407 Use the frequency distribution to construct a probability distribution Graph the probability distribution using a histogram Describe the histogram shape
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...
Decide whether the random variable x is discrete or continuous x represents the number of dependent children in a household. Is the random variable x discrete or continuous? Choose the correct answer below. Discrete Continuous
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...
Z table.pdf Question 6 4 pts X is a discrete random variable that represents the number of student emails that a professor receives in any given day. The probability distribution for X is summarized in the table below: PIX = x) Calculate the mean of X. Provide a numeric value rounded to two decimal places. Previous Next
A frequency distribution is shown below. Complete parts (a) and (b) The number of televisions per household in a small town Televisions 0 Households 23 442 730 1408 (a) Use the frequency distribution to construct a probability distribution x P) Round to three decimal places as needed) (b) Graph the probability distribution using a histogram. Choose the correct graph of the distribution below O A. ов. ос. Px) 0 4 Click to select your answer(s) A frequency distribution is shown...
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 marriages an individual aged 15 years or older has been involved in. Complete parts (a) through (0) below 0 0.278 10.573 3 0.027 4 0.004 5 0.001 (a) Verify that this is a discrete probability distribution. This is a discrete probability distribution because theof the probabilities is (Type whole numbers. Use ascending order) (b) Draw a graph of the probability distribution Describe the shape of...