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BUS Stat II Final - CACC (Murphy) Exam Questions Anad Answers
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BUS Stat II Final - CACC (Murphy) Exam Questions Anad Answers
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BUS Stat II Final - CACC (Murphy) ExamQuestions Anad Answers
The lifetimes of light bulbs that are advertised to last for 5,000 hours is
normally distributed with a mean of 5,100 hours and a standard
deviation of 200 hours.
What is the probability a bulb last longer than the advertised figure? -
correct answer ✅69%
The top selling MG III Tire is rated 70,000 miles. The distance the tires
can safely run before replacing is normally distributed with a mean of
82,000 miles and a standard deviation of 6,400 miles.
What is the probability the tires wear out before 70,000 miles? - correct
answer ✅3%
The top selling MG III Tire is rated 70,000 miles. The distance the tires
can safely run before replacing is normally distributed with a mean of
82,000 miles and a standard deviation of 6,400 miles.
What is the probability the tires last more than 90,000 miles? - correct
answer ✅11%
Because of relatively high interest rates, most consumers attempt to
pay off their credit card bills promptly. However, this is not always
possible. An analysis of the amount of interest paid monthly by a
, BUS Stat II Final - CACC (Murphy) Exam
Questions Anad Answers
banks's Visa cardholder's reveals that the amount if normally
distributed .a mean of $27 and a standard deviation of $7.
What proportion of the bank's Visa cardholder's pay more than $30 in
interest? - correct answer ✅33%
Because of relatively high interest rates, most consumers attempt to
pay off their credit card bills promptly. However, this is not always
possible. An analysis of the amount of interest paid monthly by a
banks's Visa cardholder's reveals that the amount if normally
distributed .a mean of $27 and a standard deviation of $7.
What proportion of the bank's Visa cardholder's pay more than $40 in
interest? - correct answer ✅3%
Suppose X is a binomial random variable with n = 25 and p = .7.
Find P(X = 18) - correct answer ✅17%
Suppose X is a binomial random variable with n = 25 and p = .7.
Find P(X = 15) - correct answer ✅9%
Suppose X is a binomial random variable with n = 25 and p = .7.
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