? 207.77 O 736.2 QUESTION 10 2 points Save Answe A store owner observed that 66%

Question

? 207.77 O 736.2 QUESTION 10 2 points Save Answe A store owner observed that 66% of his customers were over the age of 65, what is the of 652 probability that if 7 customers visit her store in one hour, at least 6 of them are over the age 0 .197 251 ? .945 0 .749 Click Save and Submit to save and submit. Click Save All Answers to save all answers Save All Answers Save and Subr Rasmussen Personal Support Center, call toll-free, 24/7:1-866-693-2211 Copyright 2018 Rasmussen College, Inc. All rights reserved TA 2215-01 (PKI, 36272

Explanation / Answer

We use binomial distribution formula

n=7

p=0.66

q=1-p=1-0.66 =0.34

P(atleast 6) = P(r>=6) = P(r=6) +P(r=7)

P=nCr p^r q^(n-r)

=7C6 (0.66)^6 (0.34)^(7-6) +7C7 (0.66)^7 (0.34)^(7-7)

=7 (0.66)^6 (0.34)^(1) +1* (0.66)^7 (0.34)^(0)

=0.196716 + 0.0545516

= 0.251

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