Thirty percent of the customers of a grocery store use express checkout. Consider five randomly selected customers, and let x denote the number among the five who use the express checkout. (Round your answer to three decimal places.) (a) Calculate p(2), that is, P(x = 2). p(2) = (b) Calculate P(x ≤ 1). P(x ≤ 1) = c) Calculate P(2 ≤ x). (Hint: Make use of your answer from part (b).) P(2 ≤ x) = (d) Calculate P(x ≠ 2). P(x ≠ 2) =
Thirty percent of the customers of a grocery store use express checkout. Consider five randomly selected customers, and let x denote the number among the five who use the express checkout. (Round your answer to three decimal places.) (a) Calculate p(2), that is, P(x = 2). p(2) = (b) Calculate P(x ≤ 1). P(x ≤ 1) = c) Calculate P(2 ≤ x). (Hint: Make use of your answer from part (b).) P(2 ≤ x) = (d) Calculate P(x ≠ 2). P(x ≠ 2) =
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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Thirty percent of the customers of a grocery store use express checkout. Consider five randomly selected customers, and let x denote the number among the five who use the express checkout. (Round your answer to three decimal places.)
(a)
Calculate p(2), that is, P(x = 2).
p(2) =
(b)
Calculate P(x ≤ 1).
P(x ≤ 1) =
c)
Calculate P(2 ≤ x). (Hint: Make use of your answer from part (b).)
P(2 ≤ x) =
(d)
Calculate P(x ≠ 2).
P(x ≠ 2) =
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