HSCO 500 QUIZ 3 WEEK SIX LIBERTY
UNIVERSITY ONLINE ACADEMY STUDY GUIDE
ANSWERED 2026
◉ A student randomly guesses the answers to a five question true/false
test. If there is a 50% chance of guessing correctly on each question,
what is the probability that the student misses exactly 1 question?
Answer: .156
◉ During a recent sporting event, a quarter is tossed to determine which
team picks the starting side. Suppose the referee says the coin will be
tossed 3 times, and the best two out of three wins. If team A calls 'heads',
what is the probability that exactly two heads are observed in three
tosses? Answer: .375
◉ Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc.,
suspects irregularities in the payroll system, and orders an inspection of
a random sample of vouchers issued since January 1, 2006. A sample of
ten vouchers is randomly selected, without replacement, from the
population of 2,000 vouchers. Each voucher in the sample is examined
for errors and the number of vouchers in the sample with errors is
denoted by x. If 20% of the population of vouchers contain errors,
P(x>0) is _______________. Answer: .8926
◉ Dorothy Little purchased a mailing list of 2,000 names and addresses
for her mail order business, but after scanning the list she doubts the
authenticity of the list. She randomly selects five names from the list for
UNIVERSITY ONLINE ACADEMY STUDY GUIDE
ANSWERED 2026
◉ A student randomly guesses the answers to a five question true/false
test. If there is a 50% chance of guessing correctly on each question,
what is the probability that the student misses exactly 1 question?
Answer: .156
◉ During a recent sporting event, a quarter is tossed to determine which
team picks the starting side. Suppose the referee says the coin will be
tossed 3 times, and the best two out of three wins. If team A calls 'heads',
what is the probability that exactly two heads are observed in three
tosses? Answer: .375
◉ Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc.,
suspects irregularities in the payroll system, and orders an inspection of
a random sample of vouchers issued since January 1, 2006. A sample of
ten vouchers is randomly selected, without replacement, from the
population of 2,000 vouchers. Each voucher in the sample is examined
for errors and the number of vouchers in the sample with errors is
denoted by x. If 20% of the population of vouchers contain errors,
P(x>0) is _______________. Answer: .8926
◉ Dorothy Little purchased a mailing list of 2,000 names and addresses
for her mail order business, but after scanning the list she doubts the
authenticity of the list. She randomly selects five names from the list for
