SOLUTION: A study done at a University shows that 80% of College students prefer pizza over chicken nuggets for lunch. A random sample of 8 people is chosen.
(a) Calculate the probabili
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Question 1147534: A study done at a University shows that 80% of College students prefer pizza over chicken nuggets for lunch. A random sample of 8 people is chosen.
(a) Calculate the probability that no more than 4 of them will eat pizza for lunch.
(b) Calculate the probability that exactly 2 of them will eat chicken nuggets for lunch.
(c) Calculate the probability that none of them will eat pizza for lunch.
Answer by VFBundy(438) (Show Source): You can put this solution on YOUR website!
(a) Calculate the probability that no more than 4 of them will eat pizza for lunch.
Probability exactly four will eat pizza: = 0.0459
Probability exactly three will eat pizza: = 0.0092
Probability exactly two will eat pizza: = 0.0011
Probability exactly one will eat pizza: = 0.0001
Probability none will eat pizza: = 0.000003
Probability no more than four will eat pizza for lunch: = 0.0563 (rounded)
========================================================
(b) Calculate the probability that exactly 2 of them will eat chicken nuggets for lunch.
= 0.2936
========================================================
(c) Calculate the probability that none of them will eat pizza for lunch.
We already calculated this in Part A.
= 0.000003
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