Statiistic and probability
interpret the mean and variance of the two graphs
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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. ,...
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...
Determine the probability p(2) for a binomial experiment with n=12 trials and the success probability p=0.1....
Determine the probability p(2) for a binomial experiment with n=12 trials and the success probability p=0.1. Then find the mean, variance, and standard deviation Determine the probability P(2). Round the answer to at least three decimal places. Find the mean. If necessary, round the answer to two decimal places. Find the variance and standard deviation. If necessary, round the variance to two decimal places and standard deviation to at least three decimal places.
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...
Find the mean, variance, and standard deviation for the probability distribution
Find the mean, variance, and standard deviation for the probability distribution. (Round your answers to two decimal places.)Pr(x)=x/28 ; x=1,2,3,4,5,6,7meanvariancestandard deviation
we use those 2informations to do the following questions 0 Restaurant Data Probability of Correct Order...
we use those 2informations to do the following questions
0 Restaurant Data Probability of Correct Order at Restaurant B Data Sample size Probability of an event of interest 0.875 Parameters Mean 2.625 Variance 0.3281 Standard Deviation 0.5728 Binomial Probabilities Table X P(X) P(X) P[<X) P(X) P(2X) 0 0.0020 00020 0.0000 0.9980 1.0000 1 0.0410 430 0.0020 0.9570 0.9980 2 0.2871 0.3301 0.0430 0.6699 0.9570 3 0.6699 1.0000 0.3301 0.0000 0.6699 Probability of Correct Order at Restaurant C Probability of Correct...
Determine the probability P(1 or fewer) for a binomial experiment with 2-12 trials and the success...
Determine the probability P(1 or fewer) for a binomial experiment with 2-12 trials and the success probability p=0.3. Then find the mean, variance, and standard deviation. B Part 1 of 3 !! 2 Determine the probability P(1 or fewer). Round the answer to at least four decimal places. P(1 or fewer)-D nh Part 2 of 3 Find the mean. If necessary, round the answer to two decimal places, The mean is Part 3 of 3 Find the variance and standard...
CENGAGE MINDTAP Complete: Chapter 4 Problem Set 8. visualizing variability A researcher designs an intervention to...
CENGAGE MINDTAP Complete: Chapter 4 Problem Set 8. visualizing variability A researcher designs an intervention to combat racism, He also designs a questionnaire to measure racism so he can test the participants' level of racism before and after the intervention. He tests one version of his questionnaire with 45 statements and a shorter version with 12 statements. In both questionnaires, the participants respond to each statement with a rating on a 5-point Likert scale with o equaling "strongly disagree" and...
Reviewer Ratings The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5...
Reviewer Ratings The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published book (a) Find the mean, variance, and standard deviation of the probability distribution (b) Interpret the results Probability OOOOOO 0.214 0 248 0.022 0.072 Rating (a) The mean is (Type an integer or a decimal. Do not round.) The variance is (Round to two decimal places as needed.) The standard deviation is (Round to two decimal places as needed.)...
8. Visualizing variability A researcher designs an intervention to combat anti-Arab oppression. He also designs a...
8. Visualizing variability A researcher designs an intervention to combat anti-Arab oppression. He also designs a questionnaire to measure anti-Arab oppression so he can test the participants' level of anti-Arab oppression before and after the intervention. He tests one version of his questionnaire with 45 statements and a shorter version with 12 statements. In both questionnaires, the participants respond to each statement with a rating on a 5-point Likert scale with 0 equaling "strongly disagree" and 4 equaling "strongly agree."...
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. ,...
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...
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...
we use those 2informations to do the following questions
0 Restaurant Data Probability of Correct Order at Restaurant B Data Sample size Probability of an event of interest 0.875 Parameters Mean 2.625 Variance 0.3281 Standard Deviation 0.5728 Binomial Probabilities Table X P(X) P(X) P[<X) P(X) P(2X) 0 0.0020 00020 0.0000 0.9980 1.0000 1 0.0410 430 0.0020 0.9570 0.9980 2 0.2871 0.3301 0.0430 0.6699 0.9570 3 0.6699 1.0000 0.3301 0.0000 0.6699 Probability of Correct Order at Restaurant C Probability of Correct...
Determine the probability P(1 or fewer) for a binomial experiment with 2-12 trials and the success probability p=0.3. Then find the mean, variance, and standard deviation. B Part 1 of 3 !! 2 Determine the probability P(1 or fewer). Round the answer to at least four decimal places. P(1 or fewer)-D nh Part 2 of 3 Find the mean. If necessary, round the answer to two decimal places, The mean is Part 3 of 3 Find the variance and standard...
CENGAGE MINDTAP Complete: Chapter 4 Problem Set 8. visualizing variability A researcher designs an intervention to combat racism, He also designs a questionnaire to measure racism so he can test the participants' level of racism before and after the intervention. He tests one version of his questionnaire with 45 statements and a shorter version with 12 statements. In both questionnaires, the participants respond to each statement with a rating on a 5-point Likert scale with o equaling "strongly disagree" and...
Reviewer Ratings The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published book (a) Find the mean, variance, and standard deviation of the probability distribution (b) Interpret the results Probability OOOOOO 0.214 0 248 0.022 0.072 Rating (a) The mean is (Type an integer or a decimal. Do not round.) The variance is (Round to two decimal places as needed.) The standard deviation is (Round to two decimal places as needed.)...
8. Visualizing variability A researcher designs an intervention to combat anti-Arab oppression. He also designs a questionnaire to measure anti-Arab oppression so he can test the participants' level of anti-Arab oppression before and after the intervention. He tests one version of his questionnaire with 45 statements and a shorter version with 12 statements. In both questionnaires, the participants respond to each statement with a rating on a 5-point Likert scale with 0 equaling "strongly disagree" and 4 equaling "strongly agree."...
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