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Suppose that 48% of all voters prefer the Democratic candidate. Let X be the number of people who prefer the candidate when 20 people are surveyed at random. a. What is the distribution of X? X - BB (20 Please show the following answers to 4 decimal places. b. What is the probability that exactly 7 voters who prefer the Democratic candidate in the survey? .48 c. What is the probability that more than 7 voters who prefer the Democratic candidate in the survey? d. What is the probability that at most 7 voters who prefer the Democratic candidate in the survey? e. What is the probability that between 6 and 11 (including 6 and 11) voters who prefer the Democratic candidate in the survey?

Suppose that 48% of all voters prefer the Democratic candidate. Let X be the number of people who prefer the candidate when 20 people are surveyed at random. a. What is the distribution of X? X - BB (20 Please show the following answers to 4 decimal places. b. What is the probability that exactly 7 voters who prefer the Democratic candidate in the survey? .48 c. What is the probability that more than 7 voters who prefer the Democratic candidate in the survey? d. What is the probability that at most 7 voters who prefer the Democratic candidate in the survey? e. What is the probability that between 6 and 11 (including 6 and 11) voters who prefer the Democratic candidate in the survey?

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 30E
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O Question 3 Formulas: np;√√np(1-p) ; Here is the quick link to the scientific calculator, and from there, you may navigate to any online statistics calculators using the "Content" tab on the upper-left-hand side. 2. esc, Suppose that 48% of all voters prefer the Democratic candidate. Let X be the number of people who prefer the candidate when 20 people are surveyed at random. ▼ Check Answer < > a. What is the distribution of X? X- B20 Please show the following answers to 4 decimal places. b. What is the probability that exactly 7 voters who prefer the Democratic candidate in the survey? ! 1 c. What is the probability that more than 7 voters who prefer the Democratic candidate in the survey? * d. What is the probability that at most 7 voters who prefer the Democratic candidate in the survey? F1 Q p(1 - p) n e. What is the probability that between 6 and 11 (including 6 and 11) voters who prefer the Democratic candidate in the survey? @ 2 F2 σ √n W V #3 80 F3 .48 $ 54 F4 % 5 Q F5 MacBook Air C F6 & 7 F7
Transcribed Image Text:O Question 3 Formulas: np;√√np(1-p) ; Here is the quick link to the scientific calculator, and from there, you may navigate to any online statistics calculators using the "Content" tab on the upper-left-hand side. 2. esc, Suppose that 48% of all voters prefer the Democratic candidate. Let X be the number of people who prefer the candidate when 20 people are surveyed at random. ▼ Check Answer < > a. What is the distribution of X? X- B20 Please show the following answers to 4 decimal places. b. What is the probability that exactly 7 voters who prefer the Democratic candidate in the survey? ! 1 c. What is the probability that more than 7 voters who prefer the Democratic candidate in the survey? * d. What is the probability that at most 7 voters who prefer the Democratic candidate in the survey? F1 Q p(1 - p) n e. What is the probability that between 6 and 11 (including 6 and 11) voters who prefer the Democratic candidate in the survey? @ 2 F2 σ √n W V #3 80 F3 .48 $ 54 F4 % 5 Q F5 MacBook Air C F6 & 7 F7
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