Question: The cruise ship business is rapidly increasing Although cruises have

The cruise ship business is rapidly increasing. Although cruises have long been associated with seniors, it now appears that younger people are choosing a cruise as their vacations. To determine whether this is true, an executive for a cruise line sampled passengers 2 years ago and this year and determined their ages.
a. Do these data allow the executive to infer that cruise ships are attracting younger customers?
b. Estimate with 99% confidence the difference in ages between this year and 2 years ago.

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  • CreatedFebruary 03, 2015
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