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Consider the discrete probability distribution to the right. Complete parts a and b below. a. Calculate...
Consider the probability distribution for the random variable x shown here. Complete parts a through c...
Consider the probability distribution for the random variable x shown here. Complete parts a through c below. x 30 40 50 60 70 80 p(x) 0.05 0.20 0.30 0.20 0.10 0.15 a. Calculate μ,σ2,and σ. μ=__________(Type an integer or a decimal. Do not round.) σ2=__________(Type an integer or a decimal. Do not round.) σ=____________(Round to three decimal places as needed.)
Use the probability distribution to complete parts (a) and (b) below. The number of defects per...
Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000 machine parts inspected Defects 0 3 Probability 0.268 0.305 0.240 0.140 2 O 4 0.036 5 0.011 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is (Round to one decimal place as needed.) (b) Interpret the...
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative...
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be Indicated by a minus sign. Round Intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) -7 Plx-x) О.33 0.33 0.24 0.10 -36 -22-10 Mean Standard deviation
Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1...
Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000 machine parts inspected Defects Probability 0.266 0.299 0.237 0.1440.036 4 0.018 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is (Round to one decimal place as needed.) (b) Interpret the results. The mean isso the average...
e student is involved in. Complete parts (a) through in below in the following probability distribution,...
e student is involved in. Complete parts (a) through in below in the following probability distribution, the random variable x represents the number of activities a parent of a th to th PIX) 0.057 0.288 0.213 0245 0.197 (c) Compute and interpret the mean of the random variable x. The mean is activities (Type an integer or a decimal. Do not round.) Which of the following interpretations of the mean is correct? OA The observed value of an experiment will...
Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular...
Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 1 2 3 0.061 0.123 0.161 0.176 0.213 0.128 0.084 0.054 Probability (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is. (Round to one decimal place as needed.) (b) Interpret the results. ,...
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative...
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) x −28 −24 −9 −4 P(X = x) 0.42 0.30 0.20 0.08 mean= variance= standard deviation=
In the following probability distribution, the random variable x represents the number of activities a...
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...
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...
The answers are in red. Please explain all the parts! Especially Part f! continuous uniform distribution...
The answers are in red. Please
explain all the parts! Especially Part f!
continuous uniform distribution with a minimum time of 14 minutes and maximum time of 26 minutes. Complete parts a f The commute time to work for a particular employee follows a) Calculate the value of f(x). f(x) 0.083 (Type an integer or decimal rounded to three decimal places as needed.) b) What are the mean and standard deviation for this distribution? The mean of this distribution is...
Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000 machine parts inspected Defects 0 3 Probability 0.268 0.305 0.240 0.140 2 O 4 0.036 5 0.011 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is (Round to one decimal place as needed.) (b) Interpret the...
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be Indicated by a minus sign. Round Intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) -7 Plx-x) О.33 0.33 0.24 0.10 -36 -22-10 Mean Standard deviation
Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000 machine parts inspected Defects Probability 0.266 0.299 0.237 0.1440.036 4 0.018 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is (Round to one decimal place as needed.) (b) Interpret the results. The mean isso the average...
e student is involved in. Complete parts (a) through in below in the following probability distribution, the random variable x represents the number of activities a parent of a th to th PIX) 0.057 0.288 0.213 0245 0.197 (c) Compute and interpret the mean of the random variable x. The mean is activities (Type an integer or a decimal. Do not round.) Which of the following interpretations of the mean is correct? OA The observed value of an experiment will...
Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 1 2 3 0.061 0.123 0.161 0.176 0.213 0.128 0.084 0.054 Probability (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is. (Round to one decimal place as needed.) (b) Interpret the results. ,...
The answers are in red. Please
explain all the parts! Especially Part f!
continuous uniform distribution with a minimum time of 14 minutes and maximum time of 26 minutes. Complete parts a f The commute time to work for a particular employee follows a) Calculate the value of f(x). f(x) 0.083 (Type an integer or decimal rounded to three decimal places as needed.) b) What are the mean and standard deviation for this distribution? The mean of this distribution is...
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