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Marketing and Consumer Behavior
Movie trailers are designed to entice audiences by showing scenes from coming attractions. Several trailers are usually shown in a theater before the start of the main feature, and most are available via the Internet. The duration of a movie trailer is approximately normal, with mean 150 seconds and standard deviation 30 seconds.
a. What is the probability that a randomly selected trailer lasts less than 1 minute?
b. Find the probability that a randomly selected trailer lasts between 2 minutes and 3 minutes 15 seconds.
c. Any movie trailer that lasts beyond 4 minutes and 30 seconds is considered too long. What proportion of movie trailers is too long?
d. Find a symmetric interval about the mean such that 99% of all movie trailer durations lie in this interval.
the age distribution of students at a community college is given below. age years number of students f under 21 2196
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1. Using the Internet resources, find an example of a linear optimization model used in industry. Describe which industry it is or was used in and briefly discuss the problem or challenge it addressed.
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data on the number of occurrences per time period and observed frequencies follow.nbspnbspcompute the value of the test
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