In one town, 78% of adults have health insurance. What is the probability that 8 adults selected at random from the town all have health insurance?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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6) In one town, 78% of adults have health insurance. What is the probability that 8 adults selected at random
from the town all have health insurance?
6)
A) 0.78
B) 6.24
C) 0.137
D) 0.103
7) A student takes a true-false test consisting of 12 questions. Assuming that the student guesses at each
question, find the probability that the student answers exactly 10 questions correctly. (HINT: Use counting
methods to help find the event and sample space amounts.)
7)
A) 0.0161
B) 0.0064
C) 0.0097
D) 0.0129
Transcribed Image Text:6) In one town, 78% of adults have health insurance. What is the probability that 8 adults selected at random from the town all have health insurance? 6) A) 0.78 B) 6.24 C) 0.137 D) 0.103 7) A student takes a true-false test consisting of 12 questions. Assuming that the student guesses at each question, find the probability that the student answers exactly 10 questions correctly. (HINT: Use counting methods to help find the event and sample space amounts.) 7) A) 0.0161 B) 0.0064 C) 0.0097 D) 0.0129
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