Babbel is a language learning app with around one million users worldwide. The central principle behind Babbel's
Question:
Babbel is a language learning app with around one million users worldwide. The central principle behind Babbel's language learning method is that people should spend a mean of 15 minutes per day studying a new language and a standard deviation of 3 minutes.
a. In what interval can you guarantee that 60% of these people will be in?
b. In what interval can you guarantee that 84% of these people will be in?
Step by Step Answer:
a In order to guarantee that 60 of the people will be in the interval we need to find the interval t...View the full answer
Statistics For Business And Economics
ISBN: 9781292315034
9th Global Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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