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5 votes
17.

Leilani is doing market research for a major brand by surveying
customers at a local mall. The probability of a customer agreeing to
take the survey is 18%. What is the probability that none of the first
20 customers she asks is willing to take the survey?
(1 point)
09.02%
O 0.02%
O 1.89%
04.13%

User Andrew Lam
by
4.7k points

1 Answer

2 votes

Answer:

1.89%

Explanation:

Probability of a person taking the survey = 0.18

probability of a person not taking the survey = 1- 0.18

= 0.82

probability of the first 20 people not taking the survey =
0.82^(20)

= 0.0189

=1.89%

User Kotekzot
by
5.2k points