The Higher Education Research Institute at UCLA collected data from 302,458 incoming freshmen from 315 four-year college and universities in the Unitéd States. 74.5% of those students replied that, yes, they believe that same-sex couples should have the right to legal marital status. Suppose that you randomly pick eleven freshmen from the survey. You are interested in the number that believe that same-sex couples should have the right to legal marital status. Find the probability that exactly 4 of the 11 freshmen sampled believe that same-sex couples should have the right to legal marital status. Find the probability that at least'9 of the 11 freshmen sampled believe that same-sex couples should have the right to legal marital status. Find the mean of the distribution. Find the standard deviation of the distribution. Ouestion Holn ORest to forum
The Higher Education Research Institute at UCLA collected data from 302,458 incoming freshmen from 315 four-year college and universities in the Unitéd States. 74.5% of those students replied that, yes, they believe that same-sex couples should have the right to legal marital status. Suppose that you randomly pick eleven freshmen from the survey. You are interested in the number that believe that same-sex couples should have the right to legal marital status. Find the probability that exactly 4 of the 11 freshmen sampled believe that same-sex couples should have the right to legal marital status. Find the probability that at least'9 of the 11 freshmen sampled believe that same-sex couples should have the right to legal marital status. Find the mean of the distribution. Find the standard deviation of the distribution. Ouestion Holn ORest to forum
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 27PPS
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As all incoming freshmen have only two options available whether to support same-sex marriage or oppose it. Hence, the opinion variable can be assumed to be following Binomial distribution.
Here, total independent trails(i.e participating freshmen)
Probability of success (i.e supporting same sex marriage)
As we have our parameters, i.e n and p, then,
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