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A website knows that currently 21% of site visitors make a purchase. After a redesign of the web site, 400 of the first 1600 site visitors made a purchase. What is the probability that more than 400 of these site visitors made a purchase?

A website knows that currently 21% of site visitors make a purchase. After a redesign of the web site, 400 of the first 1600 site visitors made a purchase. What is the probability that more than 400 of these site visitors made a purchase?

MATLAB: An Introduction with Applications
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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A website knows that currently 21% of site visitors make a purchase. After a redesign of the web site, 400 of the first 1600 site visitors made a purchase. What is the probability that more than 400 of these site visitors made a purchase?
Transcribed Image Text:A website knows that currently 21% of site visitors make a purchase. After a redesign of the web site, 400 of the first 1600 site visitors made a purchase. What is the probability that more than 400 of these site visitors made a purchase?
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