Mathematics, 09.07.2019 18:30 tamera62
Arecent survey by the american automobile association showed that a family of two adults and two children on vacation in the united states will pay an average of $247 per day for food and lodging with a standard deviation of $60 per day. assuming the data are normally distributed, find, to the nearest hundredth, the z-scores for each of the following vacation expense amounts. $197 per day. $277 per day. $310 per day.
Answers: 1
, the z score is:
, the z score is:
, the z score is:
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