My Math Forum Bionomial Probability

 Probability and Statistics Basic Probability and Statistics Math Forum

 October 3rd, 2016, 01:12 PM #1 Newbie   Joined: Oct 2016 From: United States Posts: 5 Thanks: 0 Bionomial Probability 46%​ of men consider themselves professional baseball fans. You randomly select 10 men and ask each if he considers himself a professional baseball fan. Find the probability that the number who consider themselves baseball fans is​ (a) exactly​ five, (b) at least​ six, and​ (c) less than four (A). P(5) = 10C5 (0.46)^5(0.54)^5 = 252(0.46)^5(0.54)^5 = 0.238
 October 3rd, 2016, 02:02 PM #2 Global Moderator   Joined: May 2007 Posts: 6,610 Thanks: 617 Exactly k, $\displaystyle P_k=\binom{10}{k}.46^k\times .54^{10-k}$ For b, $\displaystyle \sum_{k=6}^{10}P_k$ For c, $\displaystyle \sum_{k=0}^{3}P_k$
October 3rd, 2016, 02:13 PM   #3
Newbie

Joined: Oct 2016
From: United States

Posts: 5
Thanks: 0

How do I go about putting it into the calculator for (B) and (C)?

Quote:
 Originally Posted by mathman Exactly k, $\displaystyle P_k=\binom{10}{k}.46^k\times .54^{10-k}$ For b, $\displaystyle \sum_{k=6}^{10}P_k$ For c, $\displaystyle \sum_{k=0}^{3}P_k$

October 4th, 2016, 01:43 PM   #4
Global Moderator

Joined: May 2007

Posts: 6,610
Thanks: 617

Quote:
 Originally Posted by rihnavy How do I go about putting it into the calculator for (B) and (C)?
Calculate P for each k that you need and add them up as described.

,

### 51​%of men consider themselves professional baseball fans. you randomly select 10 men and ask each if he considers himself a professional baseball fan. find the probability that the number who consider themselves baseball fans is​ (a) exactly​ five,

Click on a term to search for related topics.
 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post hoyy1kolko Algebra 4 December 9th, 2010 02:22 PM hoyy1kolko Algebra 3 December 7th, 2010 04:44 AM hoyy1kolko Algebra 2 December 5th, 2010 10:44 PM hoyy1kolko Algebra 2 December 5th, 2010 07:50 PM jsmith613 Algebra 5 November 17th, 2010 01:07 PM

 Contact - Home - Forums - Cryptocurrency Forum - Top