Asked by sara jane
A travel agent was interested in the average price of a hotel during the summer in a resort
community. She found that the average price of a regular room was $215 with a standard
deviation of $25.
b) Determine the probability that a randomly selected regular room in this resort
community would cost less than $175.
c) Determine the percent of regular rooms in this resort community that would cost in
excess of $250.
community. She found that the average price of a regular room was $215 with a standard
deviation of $25.
b) Determine the probability that a randomly selected regular room in this resort
community would cost less than $175.
c) Determine the percent of regular rooms in this resort community that would cost in
excess of $250.
Answers
Answered by
Reiny
This site replaces the typical tables used for this type of problem
http://davidmlane.com/hyperstat/z_table.html
Just enter your data, the advantage is that you don't even have to find the z-score of your data
b) I got .0458
c) I got .0808 or 8.08%
http://davidmlane.com/hyperstat/z_table.html
Just enter your data, the advantage is that you don't even have to find the z-score of your data
b) I got .0458
c) I got .0808 or 8.08%
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