In a particular retail clothing store, approximately 25% of potential customers who walk into the store make a purchase. In a random sample of 20 customers that walked into the store, a. what is the probability that exactly 10 of the customers make purchases? 3 Round to 3 significant digits. b. what is the probability that at least 2 of the customers make purchases?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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In a particular retail clothing store, approximately 25% of potential customers who walk
into the store make a purchase.
In a random sample of 20 customers that walked into the store,
a. what is the probability that exactly 10 of the customers make purchases?
Round to 3 significant digits.
b. what is the probability that at least 2 of the customers make purchases?
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Transcribed Image Text:In a particular retail clothing store, approximately 25% of potential customers who walk into the store make a purchase. In a random sample of 20 customers that walked into the store, a. what is the probability that exactly 10 of the customers make purchases? Round to 3 significant digits. b. what is the probability that at least 2 of the customers make purchases? ← SUSID a SAMSUNG SUBMIT QUESTION SAVE PROGRESS SUBMIT A
c. how many of the customers are expected to make purchases?
www
Round to 3 significant digits.
rs
d. what is the standard deviation of the number of customers who make purchases?
SAMSUNG
SUBMIT QUESTION
SAVE PROGRESS
-
SUB
Transcribed Image Text:c. how many of the customers are expected to make purchases? www Round to 3 significant digits. rs d. what is the standard deviation of the number of customers who make purchases? SAMSUNG SUBMIT QUESTION SAVE PROGRESS - SUB
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