Hi! I need help on how to correctly solve this problem (Pic. attached) Thanks! In this coming election, 55% of Americans like to vote for a Democrat candidate for thenext President of the United States. If we randomly select 20 Americans, find:a) The probability that exactly 14 of them like to vote for a Democrat president.(Round to four decimal places)b) The probability that no more than 12 of them like to vote for a Democratpresident. (Round to four decimal places)c) The mean and standard deviation number of American people in this sample wholike to vote for a Democrat President. Would it be unusual to have 16 peoplewho like to vote for a Democrat President? (round the standard deviation totwo decimal places)a. Would it be unusual? (Yes or No?)

The probability mass function of Binomial distribution is, P(X=x)=ncx (p)x (1-p)n-x;x =0,1,2,..,n…

nis coming election, 55% of America t President of the United States. Ifv a) The probability that exactly 14 o (Round to four decimal places p) The probability that no more tha president (Round to four decir

nis coming election, 55% of America t President of the United States. Ifv a) The probability that exactly 14 o (Round to four decimal places p) The probability that no more tha president (Round to four decir

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Hi! I need help on how to correctly solve this problem (Pic. attached) Thanks!

In this coming election, 55% of Americans like to vote for a Democrat candidate for the
next President of the United States. If we randomly select 20 Americans, find:
a) The probability that exactly 14 of them like to vote for a Democrat president.
(Round to four decimal places)
b) The probability that no more than 12 of them like to vote for a Democrat
president. (Round to four decimal places)
c) The mean and standard deviation number of American people in this sample who
like to vote for a Democrat President. Would it be unusual to have 16 people
who like to vote for a Democrat President? (round the standard deviation to
two decimal places)
a. Would it be unusual? (Yes or No?)

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