NBC News reported on May 2, 2013, that 1 in 20 children in the United States have a food allergy of some sort. Consider selecting a random sample of 20 children and let X be the number in the sample who have a food allergy. Then X- Bin(20, 0.05). (Round your probabilities to three decimal places.)
NBC News reported on May 2, 2013, that 1 in 20 children in the United States have a food allergy of some sort. Consider selecting a random sample of 20 children and let X be the number in the sample who have a food allergy. Then X- Bin(20, 0.05). (Round your probabilities to three decimal places.)
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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
Transcribed Image Text:NBC News reported on May 2, 2013, that 1 in 20 children in the United States have a food allergy of some sort. Consider selecting a random sample of 20 children
and let X be the number in the sample who have a food allergy. Then X - Bin(20, 0.05). (Round your probabilities to three decimal places.)
A USE SALT
(a) Determine both PX s 4Y and PX < 4),
P(X S4) -
P(X < 4) -
(b) Detarmine P(X z 5).
PEX 2 5)-
(c) Determine P(1SXS 4).
PISXS4)
(d) What are E0) and e (Round your answers to two decimal places.)
E(X)-

Transcribed Image Text:(c) Determine P(1 s X S 4).
P(1 s XS 4) =
%3D
(d) What are E(X) and oy? (Round your answers to two decimal places.)
E(X)
%3D
(e) In a sample of 70 children, what is the probability that none has a food allergy?
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