Wednesday
July 23, 2014

Homework Help: statistics

Posted by Jane on Friday, March 16, 2012 at 1:57pm.

it has been reported that 40% of all internet users have been attacked by viruses. If 20 people are randomly surveyed, find the following probabilities:

a. At least 3 have been attacked
b. No more than 5 have been attacked
c. less than 15 have been attacked

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - The U.S. Census Bureau reported 77% of the U.S population had ...
Statistics - At 100 college campuses, 1200 full-time undergraduate students were...
Statistics - Help! - I really really need help with this. Can someone please ...
Math - if brazil got 11401 internet subscribers (1000s) and 67510 internet users...
Statistics - . Two thousand randomly selected adults were asked whether or not ...
Statistics - The percentage of adults who have been told at some point that they...
statistics - In a region, 90% of the population have brown eyes. If 15 people ...
statistics - Webcredible, a UK-based consulting firm specializ- ing in websites...
AP Statistics - Viruses are infectious agents that often cause diseases in ...
Statistics - *Give all probabilities to two decimal places. Three daily ...

Search
Members